Description
An issue has been discovered in GitLab EE affecting all versions starting from 16.5 before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. When a user is assigned a custom role with admin_group_member permission, they may be able to make a group, other members or themselves Owners of that group, which may lead to privilege escalation.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 16.5 – < 16.7.6, 16.8 – < 16.8.3, 16.9 – < 16.9.1 | 16.7.6 |
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-2024-0460 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Feb 21, 2024
References
- GitLab Issue #433463 issue-tracking permissions-required
- HackerOne Bug Bounty Report #2270898 technical-description exploit permissions-required