Directory Traversal Affecting jenkins package, versions <0:2.303.3.1637597018-1.el8


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.2% (59th percentile)

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  • Snyk IDSNYK-RHEL8-JENKINS-4399056
  • published26 Mar 2023
  • disclosed4 Nov 2021

Introduced: 4 Nov 2021

CVE-2021-21688  (opens in a new tab)
CWE-22  (opens in a new tab)

How to fix?

Upgrade RHEL:8 jenkins to version 0:2.303.3.1637597018-1.el8 or higher.
This issue was patched in RHSA-2021:4801.

NVD Description

Note: Versions mentioned in the description apply only to the upstream jenkins package and not the jenkins package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

The agent-to-controller security check FilePath#reading(FileVisitor) in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not reject any operations, allowing users to have unrestricted read access using certain operations (creating archives, FilePath#copyRecursiveTo).

CVSS Scores

version 3.1