Ubuntu update for firefox

1) Improper Restriction of Rendered UI Layers or Frames

EUVDB-ID: #VU91742

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-2024-5689

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform phishing attack.

The vulnerability exists due user confusion when taking screenshots with Firefox. In addition to detecting when a user was taking a screenshot (XXX), a website was able to overlay the "My Shots" button that appeared, and direct the user to a replica Firefox Screenshots page that could be used for phishing.

Mitigation

Update the affected package firefox to the latest version.

Vulnerable software versions

Ubuntu: 20.04

firefox (Ubuntu package): before 127.0.2+build1-0ubuntu0.20.04.1

External links

http://ubuntu.com/security/notices/USN-6862-1

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) Information disclosure

EUVDB-ID: #VU91695

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-2024-5690

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 excessive data output about the external protocol handlers. A remote attacker can perform a timing attack and gain access to sensitive information.

Mitigation

Update the affected package firefox to the latest version.

Vulnerable software versions

Ubuntu: 20.04

firefox (Ubuntu package): before 127.0.2+build1-0ubuntu0.20.04.1

External links

http://ubuntu.com/security/notices/USN-6862-1

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: #VU91696

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-2024-5691

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 when handling the X-Frame-Options header. A sandboxed iframe could have presented a button that, if clicked by a user, would bypass restrictions to open a new window.

Mitigation

Update the affected package firefox to the latest version.

Vulnerable software versions

Ubuntu: 20.04

firefox (Ubuntu package): before 127.0.2+build1-0ubuntu0.20.04.1

External links

http://ubuntu.com/security/notices/USN-6862-1

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) Security features bypass

EUVDB-ID: #VU91734

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-2024-5693

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 Offscreen Canvas does not properly track cross-origin tainting. A remote attacker can access image data from another site in violation of same-origin policy.

Mitigation

Update the affected package firefox to the latest version.

Vulnerable software versions

Ubuntu: 20.04

firefox (Ubuntu package): before 127.0.2+build1-0ubuntu0.20.04.1

External links

http://ubuntu.com/security/notices/USN-6862-1

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) Information disclosure

EUVDB-ID: #VU91747

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-2024-5697

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 excessive data output by the application. A website was able to detect when a user took a screenshot of a page using the built-in Screenshot functionality in Firefox.

Mitigation

Update the affected package firefox to the latest version.

Vulnerable software versions

Ubuntu: 20.04

firefox (Ubuntu package): before 127.0.2+build1-0ubuntu0.20.04.1

External links

http://ubuntu.com/security/notices/USN-6862-1

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: #VU91748

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-2024-5698

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 processing data-list. By manipulating the fullscreen feature while opening a data-list, an attacker could have overlaid a text box over the address bar. This could have led to user confusion and possible spoofing attacks.

Mitigation

Update the affected package firefox to the latest version.

Vulnerable software versions

Ubuntu: 20.04

firefox (Ubuntu package): before 127.0.2+build1-0ubuntu0.20.04.1

External links

http://ubuntu.com/security/notices/USN-6862-1

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) Input validation error

EUVDB-ID: #VU91750

Risk: Medium

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

CVE-ID: CVE-2024-5699

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to the way Firefox handles cookie prefixes. Cookie prefixes such as __Secure were being ignored if they were not correctly capitalized - by spec they should be checked with a case-insensitive comparison. This could have resulted in the browser not correctly honoring the behaviors specified by the prefix.

Mitigation

Update the affected package firefox to the latest version.

Vulnerable software versions

Ubuntu: 20.04

firefox (Ubuntu package): before 127.0.2+build1-0ubuntu0.20.04.1

External links

http://ubuntu.com/security/notices/USN-6862-1

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: #VU91738

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-2024-5700

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

Update the affected package firefox to the latest version.

Vulnerable software versions

Ubuntu: 20.04

firefox (Ubuntu package): before 127.0.2+build1-0ubuntu0.20.04.1

External links

http://ubuntu.com/security/notices/USN-6862-1

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: #VU91694

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-2024-5688

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 during JavaScript object transplant. A remote attacker can trick the victim to visit a specially crafted website, trigger memory corruption and execute arbitrary code on the system.

Mitigation

Update the affected package firefox to the latest version.

Vulnerable software versions

Ubuntu: 20.04

firefox (Ubuntu package): before 127.0.2+build1-0ubuntu0.20.04.1

External links

http://ubuntu.com/security/notices/USN-6862-1

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) Use-after-free

EUVDB-ID: #VU91744

Risk: Medium

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

CVE-ID: CVE-2024-5694

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error in the JavaScript engine. A remote attacker can trick the victim to visit a specially crafted website and read memory in the JavaScript string section of the heap.

Mitigation

Update the affected package firefox to the latest version.

Vulnerable software versions

Ubuntu: 20.04

firefox (Ubuntu package): before 127.0.2+build1-0ubuntu0.20.04.1

External links

http://ubuntu.com/security/notices/USN-6862-1

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) Reachable assertion

EUVDB-ID: #VU91745

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-2024-5695

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

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

The vulnerability exists due to a reachable assertion. A remote attacker can trick the victim to visit a specially crafted website, trigger an out-of-memory condition and crash the browser.

Mitigation

Update the affected package firefox to the latest version.

Vulnerable software versions

Ubuntu: 20.04

firefox (Ubuntu package): before 127.0.2+build1-0ubuntu0.20.04.1

External links

http://ubuntu.com/security/notices/USN-6862-1

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) Buffer overflow

EUVDB-ID: #VU91737

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-2024-5696

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 the text in an <input> tag. 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

Update the affected package firefox to the latest version.

Vulnerable software versions

Ubuntu: 20.04

firefox (Ubuntu package): before 127.0.2+build1-0ubuntu0.20.04.1

External links

http://ubuntu.com/security/notices/USN-6862-1

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) Buffer overflow

EUVDB-ID: #VU91751

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-2024-5701

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

Update the affected package firefox to the latest version.

Vulnerable software versions

Ubuntu: 20.04

firefox (Ubuntu package): before 127.0.2+build1-0ubuntu0.20.04.1

External links

http://ubuntu.com/security/notices/USN-6862-1

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.