#VU88581 Processor optimization removal or modification of security-critical code in Mozilla products - CVE-2024-3857


Vulnerability identifier: #VU88581

Vulnerability risk: High

CVSSv4.0: [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-3857

CWE-ID: CWE-1037

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mozilla Firefox
Client/Desktop applications / Web browsers
Firefox ESR
Client/Desktop applications / Web browsers
Firefox for Android
Mobile applications / Apps for mobile phones

Vendor: Mozilla

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to incorrect optimization when JIT created incorrect code for arguments in certain cases. A remote attacker can abuse such behavior to execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 124.0.2

Firefox ESR: 102.0 - 102.15.1, 115.0 - 115.9.1

Firefox for Android: 100.1.0 - 124.2.0


External links
http://www.mozilla.org/en-US/security/advisories/mfsa2024-18/
http://www.mozilla.org/en-US/security/advisories/mfsa2024-19/


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.


Latest bulletins with this vulnerability