Incorrect Regular Expression in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2023-6688

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Main Vulnerability Database Vulnerabilities #VU89276

Incorrect Regular Expression in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2023-6688

Published: May 9, 2024


Vulnerability identifier: #VU89276
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-6688
CWE-ID: CWE-185
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Gitlab Community Edition
GitLab Enterprise Edition
Software vendor:
GitLab, Inc

Description

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 on Google Chat Integration. A remote user can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.


Remediation

Install updates from vendor's website.

External links