Vulnerability · Published May 9, 2024 · Assigned by GitLab

CVE-2023-6682Inefficient Regular Expression Complexity in GitLab

Medium 6.5

In plain English

A medium-severity regular-expression denial of service in GitLab from GitLab. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 55% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.8%top 44.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.9 prior to 16.9.7, starting from 16.10 prior to 16.10.5, and starting from 16.11 prior to 16.11.2. A problem with the processing logic for Discord Integrations Chat Messages can lead to a regular expression DoS attack on the server.

Affected products (as reported)

VendorProductVersions
GitLab GitLab 16.9 – before 16.9.716.10 – before 16.10.516.11 – before 16.11.2

Weakness: CWE-1333 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References