CVE-2023-2620

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 15.1 prior to 15.11.10, all versions from 16.0 prior to 16.0.6, all versions from 16.1 prior to 16.1.1. A maintainer could modify a webhook URL to leak masked webhook secrets by manipulating other masked portions. This addresses an incomplete fix for CVE-2023-0838.

Remediation

Solution:

  • Upgrade to versions 15.11.10, 16.0.6, 16.1.1 or above.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.24%
Vendor Advisory gitlab.com
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/410433 vendor advisory broken link issue tracking
https://hackerone.com/reports/1976206 third party advisory exploit technical description

Frequently Asked Questions

What is the severity of CVE-2023-2620?
CVE-2023-2620 has been scored as a medium severity vulnerability.
How to fix CVE-2023-2620?
To fix CVE-2023-2620: Upgrade to versions 15.11.10, 16.0.6, 16.1.1 or above.
Is CVE-2023-2620 being actively exploited in the wild?
It is possible that CVE-2023-2620 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-2023-2620?
CVE-2023-2620 affects GitLab GitLab.
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