Description
An issue has been discovered in GitLab affecting all versions starting from 12.9 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. It was possible to leak a user's email via an error message for groups that restrict membership by email domain.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 12.9 – < 16.0.8, 16.1.0 – < 16.1.3, 16.2.0 – < 16.2.2 | 16.0.8 |
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-2023-1945 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 2, 2023
References
- GitLab Issue #394775 issue-tracking
- HackerOne Bug Bounty Report #1884672 technical-description exploit permissions-required