Buffer overflow in Mozilla Firefox - CVE-2022-29918

 

Buffer overflow in Mozilla Firefox - CVE-2022-29918

Published: May 3, 2022


Vulnerability identifier: #VU62764
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-29918
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Mozilla Firefox
Arch Linux
Gentoo Linux
Ubuntu
firefox (Ubuntu package)

How to mitigate CVE-2022-29918

Install updates from vendor's website.

Mozilla Firefox - update to 100.0
firefox (Ubuntu package) - addressed in versions 100.0+build2-0ubuntu0.18.04.1, 100.0+build2-0ubuntu0.20.04.1, 100.0+build2-0ubuntu0.21.10.1

External References

Related Security Bulletins