CVE-2023-3964

Public Exploit
Incorrect Authorization in GitLab

Description

An issue has been discovered in GitLab affecting all versions starting from 13.2 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 users to access composer packages on public projects that have package registry disabled in the project settings.

Remediation

Solution:

  • Upgrade to version 16.4.3, 16.5.3, or 16.6.1

Category

4.3
CVSS
Severity: Medium
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/419857 vendor advisory broken link issue tracking
https://hackerone.com/reports/2037316 broken link third party advisory exploit permissions required technical description

Frequently Asked Questions

What is the severity of CVE-2023-3964?
CVE-2023-3964 has been scored as a medium severity vulnerability.
How to fix CVE-2023-3964?
To fix CVE-2023-3964: Upgrade to version 16.4.3, 16.5.3, or 16.6.1
Is CVE-2023-3964 being actively exploited in the wild?
It is possible that CVE-2023-3964 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-2023-3964?
CVE-2023-3964 affects GitLab GitLab.
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