Parameterized Remote Trigger Plugin 3.1.3 and earlier stores a secret unencrypted in its global configuration file org.jenkinsci.plugins.ParameterizedRemoteTrigger.RemoteBuildConfiguration.xml on the Jenkins controller as part of its configuration. This secret can be viewed by attackers with access to the Jenkins controller file system.

Parameterized Remote Trigger Plugin 3.1.4 stores the secret encrypted once its configuration is saved again.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-2239
• https://jenkins.io/security/advisory/2020-09-01/#SECURITY-1625
• http://www.openwall.com/lists/oss-security/2020/09/01/3
• jenkinsci/parameterized-remote-trigger-plugin@2902ef5