Description
A sandbox bypass vulnerability exists in Jenkins Groovy Plugin 2.0 and earlier in src/main/java/hudson/plugins/groovy/StringScriptSource.java that allows attackers with Overall/Read permission to provide a Groovy script to an HTTP endpoint that can result in arbitrary code execution on the Jenkins master JVM.
Remediation
References
https://jenkins.io/security/advisory/2019-01-28/#SECURITY-1293
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