CVE-2020-13347

9.1CRITICAL

Key Information:

Vendor
Gitlab
Status
Gitlab Runner
Vendor
CVE Published:
7 October 2020

Summary

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.

Affected Version(s)

GitLab Runner >=12.0.0, <13.2.4 < 12.0.0, 13.2.4

GitLab Runner >=13.3.0, <13.3.2 < 13.3.0, 13.3.2

GitLab Runner >=13.4.0, <13.4.1 < 13.4.0, 13.4.1

References

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

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database

Credit

Thanks [ajxchapman](https://hackerone.com/ajxchapman) for reporting this vulnerability through our HackerOne bug bounty program
.