#VU64757 Security features bypass in Mozilla Firefox - CVE-2022-34474
Published: June 29, 2022
Vulnerability identifier: #VU64757
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-34474
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Mozilla Firefox
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to an error when handling sandboxed iframes with allow-top-navigation-by-user-activation. A remote attacker can pass a redirect header to an external protocol to the browser and force the browser to process the redirect. The browser however will prompt the user as appropriate.
Remediation
Install updates from vendor's website.