CVE-2021-39939 Information

Description

An uncontrolled resource consumption vulnerability in GitLab Runner affecting all versions starting from 13.7 before 14.3.6 all versions starting from 14.4 before 14.4.4 all versions starting from 14.5 before 14.5.2 allows an attacker triggering a job with a specially crafted docker image to exhaust resources on runner manager

CVSS Vector

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

Reference

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39939.json https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28630

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5