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
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CVE-2023-37903 Vulnerability in npm package vm2
CVE-2017-1000399 Vulnerability in maven package org.jenkins-ci.main:jenkins-core
CVE-2023-30532 Vulnerability in maven package org.jenkinsci.plugins.spoonscript:spoonscript