CVE-2021-43578 Information

Description

Jenkins Squash TM Publisher (Squash4Jenkins) Plugin 1.0.0 and earlier implements an agent-to-controller message that does not implement any validation of its input allowing attackers able to control agent processes to replace arbitrary files on the Jenkins controller file system with an attacker-controlled JSON string.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Reference

https://www.jenkins.io/security/advisory/2021-11-12/#SECURITY-2525 http://www.openwall.com/lists/oss-security/2021/11/12/1

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1