CVE-2023-4658

Public Exploit
Incorrect Authorization in GitLab

Description

An issue has been discovered in GitLab EE affecting all versions starting from 8.13 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to abuse the `Allowed to merge` permission as a guest user, when granted the permission through a group.

Remediation

Solution:

  • Upgrade to versions 16.4.3, 16.5.3, 16.6.1 or above.

Category

3.1
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.07%
Vendor Advisory gitlab.com
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/423835 vendor advisory broken link issue tracking
https://hackerone.com/reports/2104540 broken link third party advisory exploit permissions required technical description

Frequently Asked Questions

What is the severity of CVE-2023-4658?
CVE-2023-4658 has been scored as a low severity vulnerability.
How to fix CVE-2023-4658?
To fix CVE-2023-4658: Upgrade to versions 16.4.3, 16.5.3, 16.6.1 or above.
Is CVE-2023-4658 being actively exploited in the wild?
It is possible that CVE-2023-4658 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-2023-4658?
CVE-2023-4658 affects GitLab GitLab.
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