An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling range-based bounds check elimination. This vulnerability affects Firefox < 124.0.1.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling range-     based bounds check elimination. This vulnerability affects Firefox < 124.0.1. (CVE-2024-29943)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote host is affected by the vulnerability described in GLSA-202407-22 (Mozilla Firefox: Multiple Vulnerabilities)

    Multiple vulnerabilities have been discovered in Mozilla Firefox. Please review the CVE identifiers     referenced below for details.

Tenable has extracted the preceding description block directly from the Gentoo Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 40 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-8b5bd4ad5f advisory.

    - New upstream version (124.0.1)

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6710-1 advisory.

    Manfred Paul discovered that Firefox did not properly perform bounds checking during range analysis,     leading to an out-of-bounds write vulnerability. A attacker could use this to cause a denial of service,

    or execute arbitrary code. (CVE-2024-29943)

    Manfred Paul discovered that Firefox incorrectly handled MessageManager

    listeners under certain circumstances. An attacker who was able to inject

    an event handler into a privileged object may have been able to execute

    arbitrary code. (CVE-2024-29944)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-c8549a8c75 advisory.

    - New upstream version (124.0.1)

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Firefox installed on the remote Windows host is prior to 124.0.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2024-15 advisory.

  - An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling range-     based bounds check elimination. (CVE-2024-29943)

  - An attacker was able to inject an event handler into a privileged object that would allow arbitrary     JavaScript execution in the parent process. Note: This vulnerability affects Desktop Firefox only, it does     not affect mobile versions of Firefox. (CVE-2024-29944)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 124.0.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2024-15 advisory.

  - An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling range-     based bounds check elimination. (CVE-2024-29943)

  - An attacker was able to inject an event handler into a privileged object that would allow arbitrary     JavaScript execution in the parent process. Note: This vulnerability affects Desktop Firefox only, it does     not affect mobile versions of Firefox. (CVE-2024-29944)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
249762	Linux Distros Unpatched Vulnerability : CVE-2024-29943	Nessus	Misc.	critical
201936	GLSA-202407-22 : Mozilla Firefox: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	critical
194528	Fedora 40 : firefox (2024-8b5bd4ad5f)	Nessus	Fedora Local Security Checks	critical
192523	Ubuntu 20.04 LTS : Firefox vulnerabilities (USN-6710-1)	Nessus	Ubuntu Local Security Checks	critical
192519	Fedora 39 : firefox (2024-c8549a8c75)	Nessus	Fedora Local Security Checks	critical
192470	Mozilla Firefox < 124.0.1	Nessus	Windows	critical
192469	Mozilla Firefox < 124.0.1	Nessus	MacOS X Local Security Checks	critical

Detections

Analytics

CVE-2024-29943

critical

Tenable Plugins

critical

critical

critical

critical

critical

critical

critical