#VU62759 Security features bypass in Mozilla Firefox and Firefox ESR - CVE-2022-29911
Published: May 3, 2022
Vulnerability identifier: #VU62759
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-29911
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Firefox ESR
Mozilla Firefox
Firefox ESR
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper protection for the top-level navigation for an iframe sandbox with a policy relaxed through a keyword like allow-top-navigation-by-user-activation. A remote attacker can abuse this to bypass implemented sandboxing restrictions of loaded iframes.
Remediation
Install updates from vendor's website.