Description
A vulnerability was discovered in GitLab CE and EE affecting all versions starting 16.0 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1. An authenticated attacker could perform arbitrary pipeline execution under the context of another user.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 16.4 – < 16.4.1, 16.3 – < 16.3.5, 16.0.0 – < 16.2.8 | 16.4.1 |
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 1
- WID-SEC-2023-2520 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 28, 2023
References
- GitLab Issue #425604 issue-tracking
- GitLab Issue #425857 issue-tracking permissions-required
- HackerOne Bug Bounty Report #2174141 technical-description exploit permissions-required broken-link