Vulnerability identifier: #VU76454

Vulnerability risk: Medium

CVSSv3.1: 7.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:H/RL:O/RC:C]

CVE-ID: CVE-2023-2825

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: Yes

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 perform directory traversal attacks.

The vulnerability exists due to input validation error when an attachment exists in a public project nested within at least five groups. A remote attacker can read arbitrary file on the server.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 16.0.0

GitLab Enterprise Edition: 16.0.0

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External links
http://about.gitlab.com/releases/2023/05/23/critical-security-release-gitlab-16-0-1-released/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.