Agent-to-controller access control allows reading/writing most content of build directories

Agents are allowed some limited access to files on the Jenkins controller file system. The directories agents are allowed to access in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier include the directories storing build-related information, intended to allow agents to store build-related...

CVE-2021-21693

CVE-2021-21693 affects Jenkins FilePath handling. In affected versions (Jenkins 2.318 and earlier; LTS 2.303.2 and earlier), permission to create temporary files is checked after file creation. Remediation: upgrade to Jenkins 2.319 or LTS 2.303.3, which addresses this and related FilePath filteri...

PT-2021-5606 · Jenkins · Jenkins

Name of the Vulnerable Software and Affected Versions: Jenkins versions 2.318 and earlier Jenkins LTS versions 2.303.2 and earlier Description: The issue is related to the lack of access control for agent-to-controller in Jenkins, specifically affecting FilePathunzip and FilePathuntar. This could...

PT-2021-14728 · Jenkins · Jenkins

Name of the Vulnerable Software and Affected Versions: Jenkins versions 2.318 and earlier Jenkins LTS versions 2.303.2 and earlier Description: The issue concerns the creation of symbolic links when unarchiving a symbolic link in FilePathuntar. Specifically, it does not check agent-to-controller...

Agent-to-controller access control allowed writing to sensitive directory used by Pipeline: Shared Groovy Libraries Plugin

Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not limit agent read/write access to the libs/ directory inside build directories when using the FilePath APIs. This directory is used by the Pipeline: Shared Groovy Libraries Plugin to store copies of shared libraries. This allows attackers...