Description
An issue has been discovered in GitLab affecting all versions starting from 9.3 before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. In certain situations, it may have been possible for developers to override predefined CI variables via the REST API.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 9.3 – < 16.4.4, 16.5 – < 16.5.4, 16.6 – < 16.6.2 | 16.4.4 |
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-2023-3153 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 13, 2023
References
- GitLab Issue #425521 issue-tracking permissions-required
- HackerOne Bug Bounty Report #2125189 technical-description exploit permissions-required