Information disclosure in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2021-22167

 

Information disclosure in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2021-22167

Published: January 8, 2021 / Updated: January 24, 2021


Vulnerability identifier: #VU49354
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-22167
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. Incorrect headers within a specific project page allows attacker to have temporary read access to a public repository with project features restricted to only members.


Affected software

Gitlab Community Edition
GitLab Enterprise Edition

How to mitigate CVE-2021-22167

Install updates from vendor's website.

Gitlab Community Edition - addressed in versions 13.5.6, 13.6.4, 13.7.2
GitLab Enterprise Edition - addressed in versions 13.5.6, 13.6.4, 13.7.2

External References

Related Security Bulletins