Information disclosure in Mozilla Firefox and Firefox for Android - CVE-2022-45417

Vulnerability identifier: #VU69332

CSH Severity: Low

CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-45417

CWE-ID: CWE-200

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to Service Workers do not detect Private Browsing Mode correctly in all cases, resulting in data being written to disk for websites visited in Private Browsing Mode. A local user can gain access to potentially sensitive information.

Mozilla Firefox
Firefox for Android
Gentoo Linux
Ubuntu
openEuler
www-client/firefox
firefox (Ubuntu package)
firefox
firefox-debuginfo
firefox-debugsource

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 - update to 128.8.0-1
firefox-debuginfo - update to 128.8.0-1
firefox-debugsource - update to 128.8.0-1

• https://www.mozilla.org/en-US/security/advisories/mfsa2022-47/

• Multiple vulnerabilities in Mozilla Firefox and Firefox ESR
• Ubuntu update for firefox
• Gentoo update for Mozilla Firefox
• openEuler 22.03 LTS SP4 update for firefox
• openEuler 22.03 LTS SP3 update for firefox