Vulnerability identifier: #VU69772

Vulnerability risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-4205

CWE-ID: CWE-254

Exploitation vector: Network

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 remote attacker to compromise the target system.

The vulnerability exists due to the affected application uses a branch with a hexadecimal name. A remote user can override an existing hash.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 0.1.5 - 15.6.0

GitLab Enterprise Edition: 6.2.0 - 15.6.0

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External links
http://about.gitlab.com/releases/2022/11/30/security-release-gitlab-15-6-1-released/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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