Vulnerability identifier: #VU81077

Vulnerability risk: Medium

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-5009

CWE-ID: CWE-269

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 user to escalate privileges within the application.

The vulnerability exists due to improper privilege management caused by insufficient fix for #VU78878 (CVE-2023-3932). A remote user can run pipelines as an arbitrary user via scheduled security scan policies.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 13.12.0 - 16.3.3

GitLab Enterprise Edition: 13.12.0 - 16.3.3

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External links
http://gitlab.com/gitlab-org/gitlab/-/issues/425304
http://hackerone.com/reports/2147126
http://about.gitlab.com/releases/2023/09/18/security-release-gitlab-16-3-4-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.