Description
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).
Remediation
References
https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455
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CVE-2019-12418 Vulnerability in maven package org.apache.tomcat:tomcat-catalina-jmx-remote