Ubuntu update for mozjs102

1) State Issues

EUVDB-ID: #VU78846

Risk: High

CVSSv4.0: 6.1 [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-2023-4046

CWE-ID: CWE-371 - State Issues

Exploit availability: No

Description

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

The vulnerability exists due to usage of incorrect values during WASM compilation, resulting in a state value to be used for a global variable in WASM JIT analysis in the content process. A remote attacker can trick the victim into opening a malicious web page and execute arbitrary code on the system.

Mitigation

Update the affected package mozjs102 to the latest version.

Vulnerable software versions

Ubuntu: 22.04 - 23.04

libmozjs-102-0 (Ubuntu package): before 102.15.1-0ubuntu0.22.04.1

CPE2.3

• cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:23.04:*:*:*:*:*:*:*
• cpe:2.3:a:canonical:libmozjs-102-0_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-6406-1

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.