CVE-2019-1003030

Existe una vulnerabilidad de omisión de sandbox en Jenkins Pipeline: Groovy Plugin, en versiones 2.63 y anteriores en pom.xml, src/main/java/org/jenkinsci/plugins/workflow/cps/CpsGroovyShell.java, permite a los atacantes capacitados para controlar los scripts de tuberías ejecutar código arbitrario en el maestro JVM de Jenkins.

A flaw was found in the Jenkins Workflow CPS plugin. Parsing, compilation, and script instantiations provided by a crafted Groovy script could escape the sandbox allowing users to execute arbitrary code on the Jenkins master. The highest risk from this vulnerability is to data confidentiality and integrity as well as system availability.

Jenkins is a continuous integration server that monitors executions of repeated jobs, such as building a software project or jobs run by cron. Security fix: jenkins-plugin-script-security: Sandbox bypass in script security plug-in jenkins-plugin-script-security: Sandbox bypass in script security plug-in jenkins-plugin-script-security: Sandbox bypass in script security plug-in jenkins-plugin-workflow-cps: Sandbox bypass in pipeline: Groovy plug-in jenkins-matrix-project-plugin: Sandbox bypass in matrix project plug-in jenkins-job-dsl-plugin: Script security sandbox bypass in job DSL plug-in. Issues addressed include a bypass vulnerability.

Jenkins Matrix Project plugin contains a vulnerability which can allow users to escape the sandbox, opening opportunity to perform remote code execution.