Description
An issue was discovered in GitLab CE/EE affecting all versions starting from 15.7 prior to 17.5.5, starting from 17.6 prior to 17.6.3, and starting from 17.7 prior to 17.7.1. It was possible to trigger a DoS by creating cyclic references between epics.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 17.7 – < 17.7.1, 17.6 – < 17.6.3, 15.7 – < 17.5.5 | 17.7.1 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | gitlab | No fix yet | — |
Advisories 2
- WID-SEC-2025-0033 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 27, 2025
- WID-SEC-2025-0171 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 22, 2025
References
- GitLab Issue #468914 issue-tracking permissions-required
- https://about.gitlab.com/releases/2025/01/08/patch-release-gitlab-17-7-1-released/#cyclic-reference-of-epics-leads-resource-exhaustion
- HackerOne Bug Bounty Report #2553716 technical-description exploit permissions-required