Denial of Service Vulnerability in GitLab RefMatcher Affects All Prior Versions

CVE-2024-2800
7.5HIGH

Key Information

Vendor
Gitlab
Status
Gitlab
Vendor
CVE Published:
8 August 2024

Summary

ReDoS flaw in RefMatcher when matching branch names using wildcards in GitLab EE/CE affecting all versions from 11.3 prior to 17.0.6, 17.1 prior to 17.1.4, and 17.2 prior to 17.2.2 allows denial of service via Regex backtracking.

Affected Version(s)

GitLab < 17.0.6

GitLab < 17.1.4

GitLab < 17.2.2

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Risk change from: 7.5 to: 6.5 - (MEDIUM)

  • Risk change from: 7.5 to: 6.5 - (MEDIUM)

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database

Credit

Thanks [joaxcar](https://hackerone.com/joaxcar) for reporting this vulnerability through our HackerOne bug bounty program
.