Vulnerability identifier: #VU47331

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13327

CWE-ID: CWE-300

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
gitlab-runner
Other software / Other software solutions

Vendor: GitLab, Inc
docs.gitlab.com

Description

The vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.

The vulnerability exists due to Insecure Runner Configuration in Kubernetes Environments. A remote attacker can perform perform a man-in-the-middle attack on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 13.2.0 - 13.4.1

GitLab Enterprise Edition: 13.2.0 - 13.4.0

gitlab-runner: 13.2 - 13.4

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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 non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.