Gentoo update for Mozilla Firefox

1) Buffer overflow

EUVDB-ID: #VU61108

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0843

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use-after-free

EUVDB-ID: #VU61894

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1196

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing HTML content after the VR Process is destroyed. A remote attacker can trick the victim to visit a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Input validation error

EUVDB-ID: #VU63502

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1529

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input within the NotificationsDB module. A remote attacker can trick the victim to visit a specially crafted web page, which passes malicious messages to the parent process where the contents is used to double-index into a JavaScript object. As a result, an attacker can perform prototype pollution and execute arbitrary JavaScript code in the privileged parent process.

Successful exploitation of the vulnerability may allow an attacker to compromise the affected system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Code Injection

EUVDB-ID: #VU63501

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-1802

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: Yes

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to prototype pollution in Top-Level Await implementation. A remote attacker can trick the victim to visit a specially crafted website, corrupt the methods of an Array object in JavaScript via prototype pollution and execute arbitrary JavaScript code in a privileged context.

Successful exploitation of the vulnerability may allow an attacker to compromise the affected system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

5) Buffer overflow

EUVDB-ID: #VU63883

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1919

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing webp images. A remote attacker can trick the victim into visiting a specially crafted webpage, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Code Injection

EUVDB-ID: #VU64762

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-2200

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary JavaScript code.

The vulnerability exists due to improper input validation when handling JavaScript attributes. A remote attacker can pass undesired attributes to JavaScript object and perform prototype pollution and execute arbitrary JavaScript code in the browser.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Resource exhaustion

EUVDB-ID: #VU61895

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-24713

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (ReDoS) attack.

The vulnerability exists due regex for Rust does not properly control consumption of internal resources when parsing untrusted input. A remote attacker can pass specially crafted data to the application and perform a regular expression denial of service (ReDoS) attack.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Buffer overflow

EUVDB-ID: #VU65796

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-2505

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Use-after-free

EUVDB-ID: #VU61105

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-26381

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing HTML content A remote attacker can trigger a use-after-free by forcing a text reflow in an SVG object and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Information disclosure

EUVDB-ID: #VU61106

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-26382

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to an error in the Autofill tooltips implementation when the text is rendered using page fonts. A remote attacker can obtain potentially sensitive information via a side-channel attack.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Insufficient UI Warning of Dangerous Operations

EUVDB-ID: #VU61102

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-26383

CWE-ID: CWE-357 - Insufficient UI Warning of Dangerous Operations

Exploit availability: No

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to an error when resizing a popup after requesting fullscreen access. The popup would not display the fullscreen notification, which allows a remote attacker to perform spoofing attack.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Security restrictions bypass

EUVDB-ID: #VU61103

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-26384

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to a logic error when processing iframes. If an attacker can control the contents of an iframe sandboxed with allow-popups but not allow-scripts, it is possible to craft a link that, when clicked, would lead to JavaScript execution in violation of the sandbox.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Use-after-free

EUVDB-ID: #VU61107

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-26385

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error during thread shutdown. A remote attacker can force the user to close the thread, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Improper access control

EUVDB-ID: #VU61109

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-26386

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

The vulnerability allows a local user to gain access to victim's downloads.

The vulnerability exists due to browser stores files in the /tmp folder, which is accessible by all local users. A local user can read files from this folder and gain access to potentially sensitive information.

Note, the vulnerability affects Firefox ESR on macOS and Linux.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) Time-of-check Time-of-use (TOCTOU) Race Condition

EUVDB-ID: #VU61104

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-26387

CWE-ID: CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Exploit availability: No

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to a race condition when verifying signatures during Firefox add-on installation. A remote attacker can replace the underlying add-on file while the user was confirming the prompt and install a malicious add-on on the system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

16) Use-after-free

EUVDB-ID: #VU61032

Risk: Critical

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2022-26485

CWE-ID: CWE-416 - Use After Free

Exploit availability: Yes

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing XSLT parameter. A remote attacker can trick the victim to open a specially crafted web page, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Note, the vulnerability is being actively exploited in the wild.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

17) Use-after-free

EUVDB-ID: #VU61033

Risk: Critical

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2022-26486

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing messages in the WebGPU IPC framework. A remote attacker can trick the victim to open a specially crafted web page, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Note, the vulnerability is being actively exploited in the wild.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

18) Out-of-bounds write

EUVDB-ID: #VU61885

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-28281

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: Yes

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when handling an unexpected number of WebAuthN Extensions in a Register command to the parent process. A remote attacker can create a specially crafted web page, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

19) Use-after-free

EUVDB-ID: #VU61886

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-28282

CWE-ID: CWE-416 - Use After Free

Exploit availability: Yes

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing links with rel="localization". A remote attacker can trick the victim to open a specially crafted web page, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

20) Security features bypass

EUVDB-ID: #VU61887

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28283

CWE-ID: CWE-254 - Security Features

Exploit availability: No

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to missing security checks within the sourceMapURL feature in devtools. A remote attacker can trick the victim to perform certain actions and obtain contents of local files on the victim's system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

21) Security features bypass

EUVDB-ID: #VU61888

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28284

CWE-ID: CWE-254 - Security Features

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error that allowed the SVG's <use> element to load unexpected content and execute it under certain circumstances. A remote attacker can bypass implemented security restrictions and execute arbitrary JavaScript code in victim's browser.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

22) Resource management error

EUVDB-ID: #VU61889

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28285

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to usage of incorrect AliasSet when generating the assembly code for MLoadTypedArrayElementHole. A remote attacker can abuse this along with another vulnerability to perform an out-of-bounds read.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

23) Spoofing attack

EUVDB-ID: #VU61890

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28286

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. Due to a layout change, iframe contents can be rendered outside of its border.  A remote attacker can spoof page content.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

24) Resource management error

EUVDB-ID: #VU61891

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28287

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources when selecting text. A remote attacker can trick the victim to select certain parts of text on the page and crash the browser.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

25) Buffer overflow

EUVDB-ID: #VU61893

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28288

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

26) Buffer overflow

EUVDB-ID: #VU61892

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28289

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

27) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU62757

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29909

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due improper management of permissions within the application. Documents in deeply-nested cross-origin browsing contexts can obtain permissions granted to the top-level origin. A remote attacker can create a web page that bypasses the existing browser prompt and wrongfully inherits the top-level permissions.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

28) Security features bypass

EUVDB-ID: #VU62761

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29910

CWE-ID: CWE-254 - Security Features

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error, related to handling TLS connections. When closed or sent to the background, Firefox for Android does not properly record and persist HSTS settings. A remote attacker can perform MitM attack.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

29) Security features bypass

EUVDB-ID: #VU62759

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29911

CWE-ID: CWE-254 - Security Features

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to improper protection for the top-level navigation for an iframe sandbox with a policy relaxed through a keyword like allow-top-navigation-by-user-activation. A remote attacker can abuse this to bypass implemented sandboxing restrictions of loaded iframes.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

30) Security features bypass

EUVDB-ID: #VU62760

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29912

CWE-ID: CWE-254 - Security Features

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to requests initiated through reader mode did not properly omit cookies with a SameSite attribute. A remote attacker can intercept cookies with SameSite attribute set.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

31) Insufficient UI warning of dangerous operations

EUVDB-ID: #VU62756

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29914

CWE-ID: CWE-357 - Insufficient UI Warning of Dangerous Operations

Exploit availability: No

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to an error when reusing existing popups. A remote attacker can trick the victim to visit a specially crated website and abuse the popups to cover the fullscreen notification UI, which can allow browser spoofing attack.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

32) Information disclosure

EUVDB-ID: #VU62762

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29915

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to performance API does not properly hide the fact whether a request cross-origin resource has observed redirects. A remote attacker can gain access to potentially sensitive information.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

33) Information disclosure

EUVDB-ID: #VU62758

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29916

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to browsers behaves differently when loading CSS from known resources involving CSS variables. A remote attacker can monitor browser behavior to guess which websites were previously visited and are stored in browser history.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

34) Buffer overflow

EUVDB-ID: #VU62763

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29917

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

35) Buffer overflow

EUVDB-ID: #VU62764

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29918

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

36) Information disclosure

EUVDB-ID: #VU63872

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31736

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

37) Out-of-bounds write

EUVDB-ID: #VU63873

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31737

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error in WebGL when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

38) Spoofing attack

EUVDB-ID: #VU63874

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31738

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to an error when exiting fullscreen mode. A remote attacker can use an iframe to confused the browser about the current state of fullscreen and perform spoofing attack.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

39) Buffer overflow

EUVDB-ID: #VU63876

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31740

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error related to register allocation problem in WASM on arm64. A remote attacker can create a specially crafted webpage, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

40) Use of Uninitialized Variable

EUVDB-ID: #VU63877

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31741

CWE-ID: CWE-457 - Use of Uninitialized Variable

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted webpage, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

41) Information disclosure

EUVDB-ID: #VU63878

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31742

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to an error when handling a large number of allowCredential entries. A remote attacker can trick the victim to visit a specially crafted website, launch a timing attack and detect the difference between invalid key handles and cross-origin key handles. Successful exploitation of the vulnerability can lead to cross-origin account linking in violation of WebAuthn goals.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

42) Code Injection

EUVDB-ID: #VU63880

Risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31743

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary JavaScript code.

The vulnerability exists due to improper input validation when handling HTML comment tags. A remote attacker can abuse this error to perform XSS attacks.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

43) Security features bypass

EUVDB-ID: #VU63881

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31744

CWE-ID: CWE-254 - Security Features

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error when processing CSS stylesheets accessible via internal URIs, as "resource:". A remote attacker can bypass implemented Content Security Policy.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

44) Reachable Assertion

EUVDB-ID: #VU63882

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31745

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect assertion when array shift operations are not used. The Garbage Collector can become confused about valid objects. This can lead to application crash.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

45) Buffer overflow

EUVDB-ID: #VU63879

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31747

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

46) Buffer overflow

EUVDB-ID: #VU63884

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31748

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

47) Security features bypass

EUVDB-ID: #VU64752

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34468

CWE-ID: CWE-254 - Security Features

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to improper handling of the CSP sandbox header without "allow-scripts" option. A remote attacker use an iframe to bypass implemented CSP restriction and execute scripts if the user clicks on a javascript: link.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

48) Security features bypass

EUVDB-ID: #VU64758

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34469

CWE-ID: CWE-254 - Security Features

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error when handling TLC certificate errors on a domain protected by the HSTS header. A remote attacker can trick the victim into bypassing the error using the presented browser option.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

49) Use-after-free

EUVDB-ID: #VU64751

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34470

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in nsSHistory when handling XML documents. A remote attacker can trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

50) Reliance on Untrusted Inputs in a Security Decision

EUVDB-ID: #VU64759

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34471

CWE-ID: CWE-807 - Reliance on Untrusted Inputs in a Security Decision

Exploit availability: No

The vulnerability allows a remote attacker to force downgrade existing browser addons.

The vulnerability exists due to missing verification of the advertised version when installing addon updates. When downloading an update for an addon, the downloaded addon update's version is not verified to match the version selected from the manifest. If the manifest had been tampered with on the server, an attacker could trick the browser into downgrading the addon to a prior version.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

51) Error Handling

EUVDB-ID: #VU64760

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34472

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

The vulnerability allows a remote attacker to influence browser behavior.

The vulnerability exists due to improper error handling when processing unavailable PAC file. If a PAC URL is set and the server that hosts the PAC is unreachable, OCSP requests are blocked, resulting in incorrect error pages being shown.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

52) Security features bypass

EUVDB-ID: #VU64767

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34473

CWE-ID: CWE-254 - Security Features

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

53) Security features bypass

EUVDB-ID: #VU64757

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34474

CWE-ID: CWE-254 - Security Features

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error when handling sandboxed iframes with allow-top-navigation-by-user-activation. A remote attacker can pass a redirect header to an external protocol to the browser and force the browser to process the redirect. The browser however will prompt the user as appropriate.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

54) Security features bypass

EUVDB-ID: #VU64766

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34475

CWE-ID: CWE-254 - Security Features

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to improper handling of SVG <use> tags that referenced a same-origin document. A remote attacker can bypass the HTML Sanitizer API by referencing a same-origin JavaScript file containing the script to be executed.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

55) Input validation error

EUVDB-ID: #VU64755

Risk: Medium

CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34476

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

The vulnerability allows a remote attacker to perform a spoofing attack.

The vulnerability exists due to insufficient validation of an indefinite SEQUENCE inside an indefinite GROUP when parsing ASN.1. A remote attacker can trick the browser into accessing a malformed ASN.1 and perform spoofing attack.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

56) Origin validation error

EUVDB-ID: #VU64765

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34477

CWE-ID: CWE-346 - Origin Validation Error

Exploit availability: No

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to origin validation error. The MediaError message property should be consistent to avoid leaking information about cross-origin resources, however for a same-site cross-origin resource, the message could have leaked information enabling XS-Leaks attacks.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

57) Improper Authorization in Handler for Custom URL Scheme

EUVDB-ID: #VU64761

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34478

CWE-ID: CWE-939 - Improper Authorization in Handler for Custom URL Scheme

Exploit availability: No

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insecure usage of URI handlers that allow usage of ms-msdt, search, and search-ms protocols. A remote attacker can trick the victim to click on a specially crafted link and execute arbitrary code on the system, if the victim accepts the browser prompt.

The vulnerability affects Firefox on Windows.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

58) Improper Restriction of Rendered UI Layers or Frames

EUVDB-ID: #VU64750

Risk: Medium

CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34479

CWE-ID: CWE-1021 - Improper Restriction of Rendered UI Layers or Frames

Exploit availability: No

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to improper handling of resizing event for a popup window. A remote attacker can create a specially crafted website that can create a resized popup to overlay the address bar with its own content and perform spoofing attack.

Note, the vulnerability affects Linux installations only.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

59) Access of Uninitialized Pointer

EUVDB-ID: #VU64764

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34480

CWE-ID: CWE-824 - Access of Uninitialized Pointer

Exploit availability: No

The vulnerability allows a remote attacker to crash the browser.

The vulnerability exists due to a boundary error within the lg_init() function when handling several allocations. A remote attacker can cause browser crash.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

60) Integer overflow

EUVDB-ID: #VU64756

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34481

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in the nsTArray_Impl::ReplaceElementsAt() function. A remote attacker can trick the victim to visit a specially crafted website, trigger an integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

61) Insufficient UI Warning of Dangerous Operations

EUVDB-ID: #VU64753

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34482

CWE-ID: CWE-357 - Insufficient UI Warning of Dangerous Operations

Exploit availability: No

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient UI warning when performing drag and drop operations. A remote attacker can trick the victim to drag and drop an image to a filesystem, manipulate the resulting filename to contain executable extension and execute arbitrary application on the system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

62) Insufficient UI Warning of Dangerous Operations

EUVDB-ID: #VU64754

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34483

CWE-ID: CWE-357 - Insufficient UI Warning of Dangerous Operations

Exploit availability: No

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient UI warning when performing drag and drop operations. A remote attacker can trick the victim to drag and drop an image to a filesystem, manipulate the resulting filename to contain executable extension and execute arbitrary application on the system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

63) Buffer overflow

EUVDB-ID: #VU64763

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34484

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

64) Buffer overflow

EUVDB-ID: #VU64768

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34485

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

65) Resource management error

EUVDB-ID: #VU65798

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-36315

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to incorrect implementation of the cache preload. When loading a script with Subresource Integrity, attackers with an injection capability could trigger the reuse of previously cached entries with incorrect, different integrity metadata.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

66) Information Exposure Through Timing Discrepancy

EUVDB-ID: #VU65799

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-36316

CWE-ID: CWE-208 - Information Exposure Through Timing Discrepancy

Exploit availability: No

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to the way Performance API handles cross-site redirects. A remote attacker can observe differences between PerformanceEntries and learn whether the target URL had been subject to a redirect.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

67) Cross-site scripting

EUVDB-ID: #VU65795

Risk: Medium

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-36318

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when visiting directory listings for chrome:// URLs as source text. A remote attacker can execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

68) Spoofing attack

EUVDB-ID: #VU65793

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-36319

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to an error, related to mouse pointer positioning when combining CSS properties for overflow and transform. A remote attacker can trick the victim into interacting with mouse cursor with different coordinates than displayed.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

69) Buffer overflow

EUVDB-ID: #VU65800

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-36320

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update the affected packages.
www-client/firefox to version:
www-client/firefox-bin to version:

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:

http://security.gentoo.org/glsa/202208-08

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.