CVE-2021-39947 — MEDIUM (5.3)

Q: How severe is CVE-2021-39947?

CVE-2021-39947 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-39947?

Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab Runner.

Vulnerability Description

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

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Gitlab	Gitlab Runner	< 14.3.4

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39947.jsonPatchThird Party Advisory
https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28732Broken Link
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39947.jsonPatchThird Party Advisory
https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28732Broken Link

FAQ

What is CVE-2021-39947?

CVE-2021-39947 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 se...

How severe is CVE-2021-39947?

CVE-2021-39947 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-39947?

Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab Runner.