CVE-2023-3401

Public Exploit
Improper Control of Generation of Code ('Code Injection') in GitLab

Description

An issue has been discovered in GitLab affecting all versions before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. The main branch of a repository with a specially designed name allows an attacker to create repositories with malicious code.

Remediation

Solution:

  • Upgrade to versions 16.2.2, 16.1.3, 16.0.8 or above.

Category

4.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.23%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/416252 issue tracking broken link
https://hackerone.com/reports/2031845 permissions required exploit technical description broken link

Frequently Asked Questions

What is the severity of CVE-2023-3401?
CVE-2023-3401 has been scored as a medium severity vulnerability.
How to fix CVE-2023-3401?
To fix CVE-2023-3401: Upgrade to versions 16.2.2, 16.1.3, 16.0.8 or above.
Is CVE-2023-3401 being actively exploited in the wild?
It is possible that CVE-2023-3401 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-2023-3401?
CVE-2023-3401 affects GitLab GitLab.
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