CVE-2021-39947

5.3MEDIUM

Key Information:

Vendor
Gitlab
Status
Gitlab Runner
Vendor
CVE Published:
6 June 2022

Summary

In specific circumstances, trace file buffers in GitLab Runner versions up to 14.3.4, 14.4 to 14.4.2, and 14.5 to 14.5.2 would re-use the file descriptor 0 for multiple traces and mix the output of several jobs

Affected Version(s)

GitLab Runner <14.3.4 < 14.3.4

GitLab Runner >=14.4, <14.4.2 < 14.4, 14.4.2

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

References

https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28732
x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE...
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CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
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
.