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Link Following in Jenkins Pipeline Multibranch Plugin

Moderate severity GitHub Reviewed Published Feb 16, 2022 to the GitHub Advisory Database • Updated May 24, 2023

Package

maven org.jenkins-ci.plugins.workflow:workflow-multibranch (Maven)

Affected versions

>= 2.24, < 2.26.1
< 2.23.1
>= 696.v52535c46f4c9, < 696.698.v9b4218eea50f
>= 706.vd43c65dec013, < 707.v71c3f0a

Patched versions

2.26.1
2.23.1
696.698.v9b4218eea50f
707.v71c3f0a

Description

Jenkins Pipeline: Multibranch Plugin prior to 2.23.1, 2.26.1, 696.698.v9b4218eea50f, and 707.v71c3f0a_6ccdb_ follows symbolic links to locations outside of the checkout directory for the configured SCM when reading files using the readTrusted step, allowing attackers able to configure Pipelines permission to read arbitrary files on the Jenkins controller file system.

References

Published by the National Vulnerability Database Feb 15, 2022
Published to the GitHub Advisory Database Feb 16, 2022
Reviewed Feb 25, 2022
Last updated May 24, 2023

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS score

0.065%
(29th percentile)

Weaknesses

CVE ID

CVE-2022-25179

GHSA ID

GHSA-2m9w-9xh2-wxc3

Source code

No known source code

Credits

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