A sandbox bypass vulnerability exists in Pipeline: Groovy Plugin 2.61 and earlier in src/main/java/org/jenkinsci/plugins/workflow/cps/CpsFlowDefinition.java, src/main/java/org/jenkinsci/plugins/workflow/cps/CpsGroovyShellFactory.java that allows attackers with Overall/Read permission to provide a pipeline script to an HTTP endpoint that can result in arbitrary code execution on the Jenkins master JVM.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2019-1003001 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 8.8 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | High |
| Availability Impact | High |
| Platform | Package | State |
|---|---|---|
| Red Hat OpenShift Enterprise 3.2 | jenkins-plugin-workflow-cps | Under investigation |
| Red Hat OpenShift Container Platform 3.9 | jenkins-plugin-workflow-cps | Affected |
| Red Hat OpenShift Container Platform 3.7 | jenkins-plugin-workflow-cps | Affected |
| Red Hat OpenShift Container Platform 3.6 | jenkins-plugin-workflow-cps | Affected |
| Red Hat OpenShift Container Platform 3.5 | jenkins-plugin-workflow-cps | Affected |
| Red Hat OpenShift Container Platform 3.4 | jenkins-plugin-workflow-cps | Affected |
| Red Hat OpenShift Container Platform 3.3 | jenkins-plugin-workflow-cps | Under investigation |
| Red Hat OpenShift Container Platform 3.11 | jenkins-plugin-workflow-cps | Affected |
| Red Hat OpenShift Container Platform 3.10 | jenkins-plugin-workflow-cps | Affected |
Vulmon