Incorrect Regular Expression in GitLab Enterprise Edition - CVE-2023-6678
Published: April 11, 2024
Vulnerability identifier: #VU88466
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-6678
CWE-ID: CWE-185
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing regular expressions during Parse Junit Test Report. A remote user can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
Affected software
GitLab Enterprise Edition
How to mitigate CVE-2023-6678
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 16.8.6, 16.9.4, 16.10.2