An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.7 prior to 17.1.7, from 17.2 prior to 17.2.5, and from 17.3 prior to 17.3.2. It may have been possible for an attacker with a victims CI_JOB_TOKEN to obtain a GitLab session token belonging to the victim.
Weakness
The product does not properly manage privileges while it is switching between different contexts that have different privileges or spheres of control.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Gitlab | Gitlab | 13.7.0 (including) | 17.1.7 (excluding) |
| Gitlab | Gitlab | 17.2.0 (including) | 17.2.5 (excluding) |
| Gitlab | Gitlab | 17.3.0 (including) | 17.3.2 (excluding) |
| Gitlab | Ubuntu | esm-apps/xenial | * |
| Gitlab | Ubuntu | upstream | * |
Potential Mitigations
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/17.html
- https://cwe.mitre.org/data/definitions/30.html
- https://cwe.mitre.org/data/definitions/35.html