CVE-2023-6840
Publication date 7 February 2024
Last updated 24 July 2024
Ubuntu priority
An issue has been discovered in GitLab EE affecting all versions from 16.4 prior to 16.6.7, 16.7 prior to 16.7.5, and 16.8 prior to 16.8.2 which allows a maintainer to change the name of a protected branch that bypasses the security policy added to block MR.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| gitlab | 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Not in release | |
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial | Ignored | |
| 14.04 LTS trusty | Not in release |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
6.7 · Medium
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | High |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H |
References
Other references
- https://about.gitlab.com/releases/2024/02/07/security-release-gitlab-16-8-2-released/#project-maintainers-can-bypass-groups-scan-result-policy-block_branch_modification-setting
- https://gitlab.com/gitlab-org/gitlab/-/issues/435500
- https://hackerone.com/reports/2280292
- https://www.cve.org/CVERecord?id=CVE-2023-6840