Description
An issue has been discovered in GitLab affecting all versions starting from 11.2 before 16.2.8, all versions starting from 16.3 before 16.3.5, all versions starting from 16.4 before 16.4.1. It was possible that a maintainer to create a fork relationship between existing projects contrary to the documentation.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 11.2 – < 16.2.8, 16.3 – < 16.3.5, 16.4 – < 16.4.1 | 16.2.8 |
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 #417481 issue-tracking
- HackerOne Bug Bounty Report #2058121 technical-description exploit permissions-required broken-link