Vulnerability identifier: #VU47327

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-20

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 system.

The vulnerability exists due to an improper type check in GraphQL. A remote user with developer role can perform unauthorised actions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 13.1.0 - 13.4.1

GitLab Enterprise Edition: 13.1.0 - 13.4.0

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External links
http://about.gitlab.com/releases/2020/10/01/security-release-13-4-2-release/

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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.