Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins

The agent-to-controller security subsystem limits which files on the Jenkins controller can be accessed by agent processes. Multiple vulnerabilities in the file path filtering implementation of Jenkins 2.318 and earlier, LTS 2.303.2 and earlier allow agent processes to read and write arbitrary...

Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins

The agent-to-controller security subsystem limits which files on the Jenkins controller can be accessed by agent processes. Multiple vulnerabilities in the file path filtering implementation of Jenkins 2.318 and earlier, LTS 2.303.2 and earlier allow agent processes to read and write arbitrary...

CVE-2021-21692

FilePathrenameTo and FilePathmoveAllChildrenTo in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier only check 'read' agent-to-controller access permission on the source path, instead of 'delete'...

CVE-2021-21687

Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not check agent-to-controller access to create symbolic links when unarchiving a symbolic link in FilePathuntar...

CVE-2021-21693

When creating temporary files, agent-to-controller access to create those files is only checked after they've been created in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier...

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...

CVE-2021-21685: Missing Authorization

Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not check agent-to-controller access to create parent directories in FilePathmkdirs...

CVE-2021-21693: Incorrect Authorization

When creating temporary files, agent-to-controller access to create those files is only checked after they've been created in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier...