CVE-2023-6477

Public Exploit
Incorrect Privilege Assignment in GitLab

Description

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.

Remediation

Solution:

  • Upgrade to versions 16.9.1, 16.8.3, 16.7.6 or above.

Category

6.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/433463 issue tracking permissions required
https://hackerone.com/reports/2270898 broken link exploit permissions required technical description

Frequently Asked Questions

What is the severity of CVE-2023-6477?
CVE-2023-6477 has been scored as a medium severity vulnerability.
How to fix CVE-2023-6477?
To fix CVE-2023-6477: Upgrade to versions 16.9.1, 16.8.3, 16.7.6 or above.
Is CVE-2023-6477 being actively exploited in the wild?
It is possible that CVE-2023-6477 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-6477?
CVE-2023-6477 affects GitLab GitLab.
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