Description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.5 before 16.9.6, all versions starting from 16.10 before 16.10.4, all versions starting from 16.11 before 16.11.1. A crafted wildcard filter in FileFinder may lead to a denial of service.
Problem types
CWE-1333: Inefficient Regular Expression Complexity
Product status
12.5 (semver) before 16.9.6
16.10 (semver) before 16.10.4
16.11 (semver) before 16.11.1
Credits
Thanks [joaxcar](https://hackerone.com/joaxcar) for reporting this vulnerability through our HackerOne bug bounty program
References
gitlab.com/gitlab-org/gitlab/-/issues/451456 (GitLab Issue #451456)
hackerone.com/reports/2416728 (HackerOne Bug Bounty Report #2416728)
gitlab.com/gitlab-org/gitlab/-/issues/451456 (GitLab Issue #451456)
hackerone.com/reports/2416728 (HackerOne Bug Bounty Report #2416728)