Security features bypass in Mozilla Firefox - CVE-2022-28283
Published: April 5, 2022
Vulnerability identifier: #VU61887
CSH Severity: Medium
CVSS v4: 5.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-28283
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Mozilla Firefox
Pale Moon
Gentoo Linux
Ubuntu
firefox (Ubuntu package)
Pale Moon
Gentoo Linux
Ubuntu
firefox (Ubuntu package)
How to mitigate CVE-2022-28283
Install updates from vendor's website.
Mozilla Firefox - update to 99.0
Pale Moon - update to 29.4.6
firefox (Ubuntu package) - addressed in versions 99.0+build2-0ubuntu0.18.04.2, 99.0+build2-0ubuntu0.20.04.2, 99.0+build2-0ubuntu0.21.10.2
Pale Moon - update to 29.4.6
firefox (Ubuntu package) - addressed in versions 99.0+build2-0ubuntu0.18.04.2, 99.0+build2-0ubuntu0.20.04.2, 99.0+build2-0ubuntu0.21.10.2