#VU58757 Information disclosure in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2021-39919

Vulnerability identifier: #VU58757

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-39919

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Gitlab Community Edition
Universal components / Libraries / Software for developers
GitLab Enterprise Edition
Universal components / Libraries / Software for developers

Vendor: GitLab, Inc

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in logs. A local administrator can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 14.0.0 - 14.5.1

GitLab Enterprise Edition: 14.0.0 - 14.5.1

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External links
https://about.gitlab.com/releases/2021/12/06/security-release-gitlab-14-5-2-released/

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.