Description
Jenkins Convert To Pipeline Plugin 1.0 and earlier uses basic string concatenation to convert Freestyle projects' Build Environment, Build Steps, and Post-build Actions to the equivalent Pipeline step invocations, allowing attackers able to configure Freestyle projects to prepare a crafted configuration that injects Pipeline script code into the (unsandboxed) Pipeline resulting from a convertion by Jenkins Convert To Pipeline Plugin.
Remediation
References
https://www.jenkins.io/security/advisory/2023-03-21/#SECURITY-2966
Related Vulnerabilities
CVE-2019-8331 Vulnerability in maven package org.webjars:bootstrap
CVE-2012-5885 Vulnerability in maven package org.apache.tomcat.embed:tomcat-embed-core
CVE-2019-1003082 Vulnerability in maven package org.jenkins-ci.plugins:gearman-plugin
CVE-2019-10435 Vulnerability in maven package org.jenkins-ci.plugins:vault-scm-plugin