Input validation error in Mozilla Firefox and Firefox for Android - CVE-2022-45415
Published: November 15, 2022
Vulnerability identifier: #VU69330
CSH Severity: Medium
CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-45415
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insecure handling of downloaded files. When downloading an HTML file, if the title of the page is formatted as a filename with a malicious extension, Firefox will saved the file with that extension, leading to possible system compromise if the downloaded file is later executed.
Affected software
Mozilla Firefox
Firefox for Android
Gentoo Linux
Ubuntu
www-client/firefox
firefox (Ubuntu package)
Firefox for Android
Gentoo Linux
Ubuntu
www-client/firefox
firefox (Ubuntu package)
How to mitigate CVE-2022-45415
Install updates from vendor's website.
Mozilla Firefox - update to 107.0
Firefox for Android - update to 107.1.0
www-client/firefox - update to 104
firefox (Ubuntu package) - addressed in versions 107.0+build2-0ubuntu0.18.04.1, 107.0+build2-0ubuntu0.20.04.1
Firefox for Android - update to 107.1.0
www-client/firefox - update to 104
firefox (Ubuntu package) - addressed in versions 107.0+build2-0ubuntu0.18.04.1, 107.0+build2-0ubuntu0.20.04.1