Information Exposure Through Timing Discrepancy in Mozilla Firefox - CVE-2022-36316

Vulnerability identifier: #VU65799

CSH Severity: Low

CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-36316

CWE-ID: CWE-208

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to the way Performance API handles cross-site redirects. A remote attacker can observe differences between PerformanceEntries and learn whether the target URL had been subject to a redirect.

Mozilla Firefox
Gentoo Linux
Ubuntu
openEuler
firefox (Ubuntu package)
firefox
firefox-debuginfo
firefox-debugsource

Install updates from vendor's website.

Mozilla Firefox - update to 103.0
firefox (Ubuntu package) - addressed in versions 103.0+build1-0ubuntu0.18.04.1, 103.0+build1-0ubuntu0.20.04.1
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/mfsa2022-28/

• 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