CVE-2023-6477: Incorrect Privilege Assignment in GitLab
First published: Wed Feb 21 2024(Updated: )
An issue has been discovered in GitLab EE affecting all versions starting from 16.5 before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. When a user is assigned a custom role with admin_group_member permission, they may be able to make a group, other members or themselves Owners of that group, which may lead to privilege escalation.
Credit: cve@gitlab.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GitLab | >=16.5.0<16.7.6 | |
| GitLab | >=16.8.0<=16.8.3 | |
| GitLab | =16.9.0 |
Remedy
Upgrade to versions 16.9.1, 16.8.3, 16.7.6 or above.
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-6477?
CVE-2023-6477 is classified as a medium severity vulnerability.
How do I fix CVE-2023-6477?
To fix CVE-2023-6477, upgrade GitLab to version 16.7.6, 16.8.3, or 16.9.1 or later.
Which versions of GitLab are affected by CVE-2023-6477?
CVE-2023-6477 affects GitLab versions starting from 16.5 before 16.7.6, 16.8 before 16.8.3, and 16.9 before 16.9.1.
What are the potential risks of CVE-2023-6477?
CVE-2023-6477 may allow users assigned a custom role with admin_group_member permission to gain unauthorized access.
Is there any workaround for CVE-2023-6477 before applying a patch?
Currently, there are no known workarounds for CVE-2023-6477; upgrading to a fixed version is the recommended action.
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- vendor/gitlab
- canonical/gitlab
- version/gitlab/16.5.0
- version/gitlab/16.8.0
- version/gitlab/16.8.3
- version/gitlab/16.9.0