CVE-2023-3909

Summary

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.3 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. A Regular Expression Denial of Service was possible by adding a large string in timeout input in gitlab-ci.yml file.

Affected Software

VendorProductVersion RangeStatus
GitLabGitLab12.3 < 16.3.6affected
GitLabGitLab16.4 < 16.4.2affected
GitLabGitLab16.5 < 16.5.1affected

Weaknesses

  • CWE-1333: CWE-1333: Inefficient Regular Expression Complexity

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References