CVE-2020-13347 : A command injection vulnerability was discovered in Gitlab runner versions prior

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.

Published 2020-10-07 14:15:12

Updated 2021-07-21 11:39:24

Source GitLab Inc.

View at NVD, CVE.org

Vulnerability category: Directory traversal

Products affected by CVE-2020-13347

Gitlab » Gitlab » Community Edition
Versions from including (>=) 13.4.0 and before (<) 13.4.1
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Matching versions
Gitlab » Gitlab » Enterprise Edition
Versions from including (>=) 12.0.0 and before (<) 13.2.4
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Matching versions
Gitlab » Gitlab » Enterprise Edition
Versions from including (>=) 13.3.0 and before (<) 13.3.2
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Matching versions
Gitlab » Gitlab » Community Edition
Versions from including (>=) 12.0.0 and before (<) 13.2.4
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Matching versions
Gitlab » Gitlab » Enterprise Edition
Versions from including (>=) 13.4.0 and before (<) 13.4.1
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Matching versions
Gitlab » Gitlab » Community Edition
Versions from including (>=) 13.3.0 and before (<) 13.3.2
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-13347

EPSS FAQ

1.09%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 77 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-13347

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
9.0	HIGH	AV:N/AC:L/Au:S/C:C/I:C/A:C	8.0	10.0	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
9.1	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H	2.3	6.0	GitLab Inc.
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Changed Confidentiality: High Integrity: High Availability: High
9.1	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H	2.3	6.0	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Changed Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2020-13347

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-13347

https://gitlab.com/gitlab-org/gitlab-runner/-/issues/26725

Not Found
Broken Link;Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13347.json

2020/CVE-2020-13347.json · master · GitLab.org / cves · GitLab
Vendor Advisory
https://hackerone.com/reports/955016

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Vulnerability Details : CVE-2020-13347

Products affected by CVE-2020-13347

Exploit prediction scoring system (EPSS) score for CVE-2020-13347

CVSS scores for CVE-2020-13347

CWE ids for CVE-2020-13347

References for CVE-2020-13347