Security restrictions bypass in GitLab Community Edition (CE) and Enterprise Edition (EE)

Published: 2023-09-25

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2023-5009
CWE-ID	CWE-269
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Gitlab Community Edition Universal components / Libraries / Software for developers GitLab Enterprise Edition Universal components / Libraries / Software for developers
Vendor	GitLab, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Privilege Management

EUVDB-ID: #VU81077

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 - Improper Privilege Management

Exploit availability: No

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

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/

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.