Security features bypass in Mozilla Firefox - CVE-2022-34474
Published: June 29, 2022
Vulnerability identifier: #VU64757
CSH Severity: Low
CVSS v4.0: 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
Vendor: Mozilla
Affected software:
Mozilla Firefox
Mozilla Firefox
Detailed vulnerability 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.
How to mitigate CVE-2022-34474
Install updates from vendor's website.