#VU59374 Security features bypass in Mozilla Firefox - CVE-2022-22750

Vulnerability identifier: #VU59374

Vulnerability risk: Medium

CVSSv4.0: 4.5 [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: Network

Exploit availability: No

Vulnerable software:
Mozilla Firefox
Client/Desktop applications / Web browsers

Vendor: Mozilla

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 92.0 - 95.0.2

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

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.