Security features bypass in Mozilla Firefox - CVE-2022-22750

Vulnerability identifier: #VU59374

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2022-22750

CWE-ID: CWE-254

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Mozilla

Affected software:
Mozilla Firefox

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to Firefox passes resource handles across processes. A remote attacker can create a specially crafted web page that can confuse the higher privileged processes to interact with handles that the unprivileged process should not have access to.

The vulnerability affects Firefox installation on Windows and macOS only.

Install updates from vendor's website.

• https://www.mozilla.org/en-US/security/advisories/mfsa2022-01/