Red Hat Enterprise Linux 8.2 update for firefox

1) Use-after-free

EUVDB-ID: #VU59372

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-2022-22737

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a race condition playing audio files. A remote attacker can construct a specially crafted audio skin, trigger a use-after-free error and execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

firefox (Red Hat package): 91.2.0-4.el8_2 - 91.4.0-1.el8_2

Red Hat Enterprise Linux Server - TUS: 8.2

CPE2.3

External links

http://access.redhat.com/errata/RHSA-2022:0132

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) Security features bypass

EUVDB-ID: #VU59373

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-2021-4140

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

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

The vulnerability exists due to an error in iframe sandbox implementation when processing XSLT markup. A remote attacker can bypass iframe sandbox and execute arbitrary JavaScript code in context of arbitrary window.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

firefox (Red Hat package): 91.2.0-4.el8_2 - 91.4.0-1.el8_2

Red Hat Enterprise Linux Server - TUS: 8.2

CPE2.3

External links

http://access.redhat.com/errata/RHSA-2022:0132

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) Security features bypass

EUVDB-ID: #VU59381

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-2022-22739

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

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

The vulnerability exists due to missing throttling on external protocol launch dialog. A malicious websites can trick users into accepting launching a program to handle an external URL protocol.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

firefox (Red Hat package): 91.2.0-4.el8_2 - 91.4.0-1.el8_2

Red Hat Enterprise Linux Server - TUS: 8.2

CPE2.3

External links

http://access.redhat.com/errata/RHSA-2022:0132

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) Buffer overflow

EUVDB-ID: #VU59382

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-2022-22751

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

firefox (Red Hat package): 91.2.0-4.el8_2 - 91.4.0-1.el8_2

Red Hat Enterprise Linux Server - TUS: 8.2

CPE2.3

External links

http://access.redhat.com/errata/RHSA-2022:0132

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.

5) Improper Restriction of Rendered UI Layers or Frames

EUVDB-ID: #VU59367

Risk: Medium

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

CVE-ID: CVE-2022-22743

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to an error when navigating from inside an iframe while requesting fullscreen access. A remote attacker can trick the victim to open a specially crafted web page, and make the browser unable to leave fullscreen mode.

Successful exploitation of the vulnerability may allow an attacker to perform spoofing attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

firefox (Red Hat package): 91.2.0-4.el8_2 - 91.4.0-1.el8_2

Red Hat Enterprise Linux Server - TUS: 8.2

CPE2.3

External links

http://access.redhat.com/errata/RHSA-2022:0132

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) Improper Restriction of Rendered UI Layers or Frames

EUVDB-ID: #VU59369

Risk: Medium

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

CVE-ID: CVE-2022-22741

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to an error resizing a popup while requesting fullscreen access. A remote attacker can trick the victim to open a specially crafted web page, and make the browser unable to leave fullscreen mode.

Successful exploitation of the vulnerability may allow an attacker to perform spoofing attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

firefox (Red Hat package): 91.2.0-4.el8_2 - 91.4.0-1.el8_2

Red Hat Enterprise Linux Server - TUS: 8.2

CPE2.3

External links

http://access.redhat.com/errata/RHSA-2022:0132

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) Use-after-free

EUVDB-ID: #VU59370

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-2022-22740

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in ChannelEventQueue::mOwner when releasing a network request handle. 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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

firefox (Red Hat package): 91.2.0-4.el8_2 - 91.4.0-1.el8_2

Red Hat Enterprise Linux Server - TUS: 8.2

CPE2.3

External links

http://access.redhat.com/errata/RHSA-2022:0132

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) Heap-based buffer overflow

EUVDB-ID: #VU59371

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-2022-22738

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in blendGaussianBlur when applying CSS filter. A remote attacker can trick the victim to open a specially crafted web page, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

firefox (Red Hat package): 91.2.0-4.el8_2 - 91.4.0-1.el8_2

Red Hat Enterprise Linux Server - TUS: 8.2

CPE2.3

External links

http://access.redhat.com/errata/RHSA-2022:0132

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) Spoofing attack

EUVDB-ID: #VU59376

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-2022-22748

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. Malicious websites could have confused Firefox into showing the wrong origin when asking to launch a program and handling an external URL protocol.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

firefox (Red Hat package): 91.2.0-4.el8_2 - 91.4.0-1.el8_2

Red Hat Enterprise Linux Server - TUS: 8.2

CPE2.3

External links

http://access.redhat.com/errata/RHSA-2022:0132

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) Out-of-bounds write

EUVDB-ID: #VU59368

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-2022-22742

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input, when inserting text while in edit mode. A remote attacker can create a specially crafted website, trick the victim into opening it and insert specially crafted input in the edit mode, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

firefox (Red Hat package): 91.2.0-4.el8_2 - 91.4.0-1.el8_2

Red Hat Enterprise Linux Server - TUS: 8.2

CPE2.3

External links

http://access.redhat.com/errata/RHSA-2022:0132

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) Information disclosure

EUVDB-ID: #VU59377

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-2022-22745

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists due to Securitypolicyviolation events leak cross-origin information for frame-ancestors violations. A remote attacker can gain access to sensitive data.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

firefox (Red Hat package): 91.2.0-4.el8_2 - 91.4.0-1.el8_2

Red Hat Enterprise Linux Server - TUS: 8.2

CPE2.3

External links

http://access.redhat.com/errata/RHSA-2022:0132

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) Input validation error

EUVDB-ID: #VU59379

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-2022-22747

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of empty pkcs7 sequence, passed as part of the certificate data. A remote attacker can pass specially crafted certificate to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

firefox (Red Hat package): 91.2.0-4.el8_2 - 91.4.0-1.el8_2

Red Hat Enterprise Linux Server - TUS: 8.2

CPE2.3

External links

http://access.redhat.com/errata/RHSA-2022:0132

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.

Risk	High
Patch available	YES
Number of vulnerabilities	12
CVE-ID	CVE-2022-22737 CVE-2021-4140 CVE-2022-22739 CVE-2022-22751 CVE-2022-22743 CVE-2022-22741 CVE-2022-22740 CVE-2022-22738 CVE-2022-22748 CVE-2022-22742 CVE-2022-22745 CVE-2022-22747
CWE-ID	CWE-416 CWE-254 CWE-119 CWE-1021 CWE-122 CWE-451 CWE-787 CWE-200 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	firefox (Red Hat package) Operating systems & Components / Operating system package or component Red Hat Enterprise Linux Server - TUS Operating systems & Components / Operating system
Vendor	Red Hat Inc.