CVE-2020-13347 Information

Description

A command injection vulnerability was discovered in Gitlab runner versions prior to 13.2.4 13.3.2 and 13.4.1. When the runner is configured on a Windows system with a docker executor which allows the attacker to run arbitrary commands on Windows host via DOCKER_AUTH_CONFIG build variable.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Reference

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13347.json https://gitlab.com/gitlab-org/gitlab-runner/-/issues/26725 https://hackerone.com/reports/955016

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.1