CVE-2021-39939

6.5MEDIUM

Key Information:

Vendor
Gitlab
Status
Gitlab Runner
Vendor
CVE Published:
13 December 2021

Summary

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

Affected Version(s)

GitLab Runner >=13.7, <14.3.6 < 13.7, 14.3.6

GitLab Runner >=14.4, <14.4.4 < 14.4, 14.4.4

GitLab Runner >=14.5, <14.5.2 < 14.5, 14.5.2

References

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

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database

Credit

This vulnerability has been discovered internally by the GitLab team
.