CVE-2023-3979

Public Exploit
Incorrect Authorization in GitLab

Description

An issue has been discovered in GitLab affecting all versions starting from 10.6 before 16.2.8, all versions starting from 16.3 before 16.3.5, all versions starting from 16.4 before 16.4.1. It was possible that upstream members to collaborate with you on your branch get permission to write to the merge request’s source branch.

Remediation

Solution:

  • Upgrade to version 16.4.1, 16.3.5, 16.2.8

Category

3.1
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.06%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/419972 issue tracking broken link
https://hackerone.com/reports/2082560 broken link exploit permissions required technical description

Frequently Asked Questions

What is the severity of CVE-2023-3979?
CVE-2023-3979 has been scored as a low severity vulnerability.
How to fix CVE-2023-3979?
To fix CVE-2023-3979: Upgrade to version 16.4.1, 16.3.5, 16.2.8
Is CVE-2023-3979 being actively exploited in the wild?
It is possible that CVE-2023-3979 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-2023-3979?
CVE-2023-3979 affects GitLab GitLab.
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