CVE-2023-5512

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

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 16.3 before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. File integrity may be compromised when specific HTML encoding is used for file names leading for incorrect representation in the UI.

Remediation

Solution:

  • Upgrade to versions 16.6.2, 16.5.4, 16.4.4 or above.

Category

4.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.29%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/427827 issue tracking broken link
https://hackerone.com/reports/2194607 broken link exploit permissions required technical description

Frequently Asked Questions

What is the severity of CVE-2023-5512?
CVE-2023-5512 has been scored as a medium severity vulnerability.
How to fix CVE-2023-5512?
To fix CVE-2023-5512: Upgrade to versions 16.6.2, 16.5.4, 16.4.4 or above.
Is CVE-2023-5512 being actively exploited in the wild?
It is possible that CVE-2023-5512 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-2023-5512?
CVE-2023-5512 affects GitLab GitLab.
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