CVE-2023-4378

Public Exploit
Insertion of Sensitive Information Into Sent Data in GitLab

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.8 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. A malicious Maintainer can, under specific circumstances, leak the sentry token by changing the configured URL in the Sentry error tracking settings page. This was as a result of an incomplete fix for CVE-2022-4365.

Remediation

Solution:

  • Upgrade to versions 16.1.5, 16.2.5, 16.3.1 or above.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.08%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/422134 issue tracking broken link
https://hackerone.com/reports/2104591 permissions required technical description exploit

Frequently Asked Questions

What is the severity of CVE-2023-4378?
CVE-2023-4378 has been scored as a medium severity vulnerability.
How to fix CVE-2023-4378?
To fix CVE-2023-4378: Upgrade to versions 16.1.5, 16.2.5, 16.3.1 or above.
Is CVE-2023-4378 being actively exploited in the wild?
It is possible that CVE-2023-4378 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-2023-4378?
CVE-2023-4378 affects GitLab GitLab.
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