Description
An issue has been discovered in GitLab affecting all versions starting from 10.6 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 upstream members to collaborate with you on your branch get permission to write to the merge request’s source branch.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 10.6 – < 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 #419972 issue-tracking permissions-required
- HackerOne Bug Bounty Report #2082560 technical-description exploit permissions-required broken-link