Time-of-check Time-of-use (TOCTOU) Affecting jenkins package, versions <2.281-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-ALPINE313-JENKINS-1079226
  • published26 Feb 2021
  • disclosed26 Jan 2021

Introduced: 26 Jan 2021

CVE-2021-21615  (opens in a new tab)
CWE-367  (opens in a new tab)

How to fix?

Upgrade Alpine:3.13 jenkins to version 2.281-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream jenkins package and not the jenkins package as distributed by Alpine. See How to fix? for Alpine:3.13 relevant fixed versions and status.

Jenkins 2.275 and LTS 2.263.2 allows reading arbitrary files using the file browser for workspaces and archived artifacts due to a time-of-check to time-of-use (TOCTOU) race condition.

CVSS Scores

version 3.1