An issue has been discovered in GitLab affecting all versions starting from 15.7 before 15.8.5, from 15.9 before 15.9.4, and from 15.10 before 15.10.1 that allows for crafted, unapproved MRs to be introduced and merged without authorization
Weakness
The product checks the state of a resource before using that resource, but the resource’s state can change between the check and the use in a way that invalidates the results of the check.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Gitlab | Gitlab | 15.7.0 (including) | 15.8.5 (excluding) |
| Gitlab | Gitlab | 15.9.0 (including) | 15.9.4 (excluding) |
| Gitlab | Gitlab | 15.10.0 (including) | 15.10.0 (including) |
| Gitlab | Ubuntu | bionic | * |
| Gitlab | Ubuntu | esm-apps/xenial | * |
| Gitlab | Ubuntu | trusty | * |
| Gitlab | Ubuntu | xenial | * |
Potential Mitigations
Related Attack Patterns
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-4143.json
- https://gitlab.com/gitlab-org/gitlab/-/issues/383776
- https://hackerone.com/reports/1767639
- https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-4143.json
- https://gitlab.com/gitlab-org/gitlab/-/issues/383776
- https://hackerone.com/reports/1767639