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CVSSv2

CVE-2021-39939

Published: 13/12/2021 Updated: 15/12/2021
CVSS v2 Base Score: 4 | Impact Score: 2.9 | Exploitability Score: 8
CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8
VMScore: 356
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P
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Vulnerability Summary

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

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Vendor Advisories

Arch Linux Issues:
GitLab Runner before version 1452 was susceptible to Golang security issue CVE-2021-44717: don’t close fd 0 on ForkExec error, which could result in misdirected I/O such as writing network traffic intended for one connection to a different connection, or content intended for one file to a different one ...

References

CWE-400https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39939.jsonhttps://gitlab.com/gitlab-org/gitlab-runner/-/issues/28630https://nvd.nist.govhttps://security.archlinux.org/CVE-2021-39939
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2023-21991CVE-2024-32674path traversalCVE-2023-21987denial of servicedosCVE-2024-4647CVE-2024-25519CVE-2024-33612
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