An issue has been discovered in GitLab EE affecting all versions starting from 15.1 before 15.7.8, all versions starting from 15.8 before 15.8.4, all versions starting from 15.9 before 15.9.2. If a group with SAML SSO enabled is transferred to a new namespace as a child group, its possible previously removed malicious maintainer or owner of the child group can still gain access to the group via SSO or a SCIM token to perform actions on the group.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Gitlab | Gitlab | 15.1 (including) | 15.7.8 (excluding) |
| Gitlab | Gitlab | 15.8 (including) | 15.8.4 (excluding) |
| Gitlab | Gitlab | 15.9 (including) | 15.9.2 (excluding) |
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-4331.json
- https://gitlab.com/gitlab-org/gitlab/-/issues/385050
- https://hackerone.com/reports/1791518
- https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-4331.json
- https://gitlab.com/gitlab-org/gitlab/-/issues/385050
- https://hackerone.com/reports/1791518