In GitLab before 13.0.12, 13.1.6 and 13.2.3 using a branch with a hexadecimal name could override an existing hash.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Gitlab | Gitlab | 1.0.0 (including) | 13.0.12 (excluding) |
| Gitlab | Gitlab | 13.1.0 (including) | 13.1.6 (excluding) |
| Gitlab | Gitlab | 13.2.0 (including) | 13.2.3 (excluding) |
| Gitlab | Ubuntu | esm-apps/xenial | * |
| Gitlab | Ubuntu | xenial | * |
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13293.json
- https://gitlab.com/gitlab-org/gitlab/-/issues/202690
- https://hackerone.com/reports/790634
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13293.json
- https://gitlab.com/gitlab-org/gitlab/-/issues/202690
- https://hackerone.com/reports/790634