Description
The Subversion plugin before 1.54 for Jenkins stores credentials using base64 encoding, which allows local users to obtain passwords and SSH private keys by reading a subversion.credentials file.
Remediation
References
https://github.com/jenkinsci/subversion-plugin/commit/7d4562d6f7e40de04bbe29577b51c79f07d05ba6
https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2013-11-20
https://bugzilla.redhat.com/show_bug.cgi?id=1032391