Description
An information disclosure issue in GitLab CE/EE affecting all versions starting from 13.11 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1 allows an attacker to extract non-protected CI/CD variables by tricking a user to visit a fork with a malicious CI/CD configuration.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | < 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 #417275 issue-tracking
- HackerOne Bug Bounty Report #1875515 technical-description exploit permissions-required