Vulnerability identifier: #VU87736

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-29944

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

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

Vendor: Mozilla

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote attacker can send trick the victim to visit a specially crafted website, inject an event handler into a privileged object and execute arbitrary JavaScript on the system within the parent process.

Successful exploitation of the vulnerability may allow remote code execution.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 124.0

Firefox ESR: 115.0 - 115.9.0, 102.0 - 102.15.1

---

External links
http://www.mozilla.org/en-US/security/advisories/mfsa2024-15/
http://www.mozilla.org/en-US/security/advisories/mfsa2024-16/

---

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.