Main Vulnerability Database Vulnerabilities #VU81312

Improper access control in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2023-3922

Published: October 2, 2023

Vulnerability identifier: #VU81312

CSH Severity: Low

CVSS v4: 2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-3922

CWE-ID: CWE-284

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to an error within math rendering in markdown. A remote user can hijack some links and buttons on the GitLab UI to a malicious page.

Affected software

Gitlab Community Edition
GitLab Enterprise Edition

How to mitigate CVE-2023-3922

Install updates from vendor's website.

Gitlab Community Edition - addressed in versions 16.2.8, 16.3.5, 16.4.1
GitLab Enterprise Edition - addressed in versions 16.2.8, 16.3.5, 16.4.1

External References

https://about.gitlab.com/releases/2023/09/28/security-release-gitlab-16-4-1-released/

Related Security Bulletins