Vulnerability · Published May 23, 2024 · Assigned by GitLab
CVE-2023-6502Inefficient Regular Expression Complexity in GitLab
Medium 4.3
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 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.5%top 56.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A Denial of Service (DoS) condition has been discovered in GitLab CE/EE affecting all versions before 16.10.6, version 16.11 before 16.11.3, and 17.0 before 17.0.1. It is possible for an attacker to cause a denial of service using a crafted wiki page.
Affected products (as reported)
Weakness: CWE-1333 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
References
- GitLab Issue #433534 issue-tracking, permissions-required
- HackerOne Bug Bounty Report #2263638 technical-description, exploit, permissions-required