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Jenkins CLI Deserialization of Untrusted Data vulnerability

Critical severity GitHub Reviewed Published May 13, 2022 to the GitHub Advisory Database • Updated Mar 4, 2024

Package

maven org.jenkins-ci.main:cli (Maven)

Affected versions

< 1.625.2
>= 1.626, < 1.638

Patched versions

1.625.2
1.638

Description

The Jenkins CLI subsystem in Jenkins before 1.638 and LTS before 1.625.2 allows remote attackers to execute arbitrary code via a crafted serialized Java object, related to a problematic webapps/ROOT/WEB-INF/lib/commons-collections-*.jar file and the "Groovy variant in ysoserial".

References

Published by the National Vulnerability Database Nov 25, 2015
Published to the GitHub Advisory Database May 13, 2022
Reviewed Jan 9, 2024
Last updated Mar 4, 2024

Severity

Critical

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
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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:N/UI:N/S:U/C:H/I:H/A:H

EPSS score

80.482%
(98th percentile)

Weaknesses

CVE ID

CVE-2015-8103

GHSA ID

GHSA-wfw7-6632-xcv2

Source code

Credits

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