#VU81306 Input validation error in GitLab Enterprise Edition - CVE-2023-3906

Vulnerability identifier: #VU81306

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-3906

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
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 insufficient validation of user-supplied input in the asset proxy. A remote user can craft image urls which bypass the asset proxy.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GitLab Enterprise Edition: 12.3.0 - 16.4.0

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External links
https://about.gitlab.com/releases/2023/09/28/security-release-gitlab-16-4-1-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.