Published: 06/06/2022 Updated: 08/08/2023

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

VMScore: 383

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

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

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gitlab gitlab runner

Debian Bug report logs - #1016138 gitlab-ci-multi-runner: CVE-2021-39947 Package: src:gitlab-ci-multi-runner; Maintainer for src:gitlab-ci-multi-runner is Dmitry Smirnov <onlyjob@debianorg>; Reported by: Moritz Mühlenhoff <jmm@inutilorg> Date: Wed, 27 Jul 2022 20:57:02 UTC Severity: important Tags: security ...

An uncontrolled resource consumption vulnerability in GitLab Runner before version 1452 allows an attacker triggering a job with a specially crafted docker image to exhaust resources on a runner manager ...

NVD-CWE-noinfo https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28732 https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39947.json https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1016138 https://nvd.nist.gov https://security.archlinux.org/CVE-2021-39947

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CVE-2021-39947

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