CVE-2019-1003030 on CISA KEV

A sandbox bypass vulnerability exists in Jenkins Pipeline: Groovy Plugin 2.63 and earlier in pom.xml, src/main/java/org/jenkinsci/plugins/workflow/cps/CpsGroovyShell.java that allows attackers able to control pipeline scripts to execute arbitrary code on the Jenkins master JVM.

01What CISA says about this vulnerability

A sandbox bypass vulnerability exists in Jenkins Pipeline: Groovy Plugin 2.63 and earlier in pom.xml, src/main/java/org/jenkinsci/plugins/workflow/cps/CpsGroovyShell.java that allows attackers able to control pipeline scripts to execute arbitrary code on the Jenkins master JVM.

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• jenkins.io — https://jenkins.io/security/advisory/2019-03-06/#SECURITY-1336%20%282%29
• www.securityfocus.com — http://www.securityfocus.com/bid/107476
• access.redhat.com — https://access.redhat.com/errata/RHSA-2019:0739
• packetstormsecurity.com — http://packetstormsecurity.com/files/159603/Jenkins-2.63-Sandbox-Bypass.html

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
Jenkins project	Jenkins Pipeline: Groovy Plugin	2.63 and earlier

06Detection

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