SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2019-1003029

Jenkins Script Security Plugin Sandbox Bypass Vulnerability

KEVCRITICAL 9.9EPSS 73.9%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 16 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

A sandbox bypass vulnerability exists in Jenkins Script Security Plugin 1.53 and earlier in src/main/java/org/jenkinsci/plugins/scriptsecurity/sandbox/groovy/GroovySandbox.java, src/main/java/org/jenkinsci/plugins/scriptsecurity/sandbox/groovy/SecureGroovyScript.java that allows attackers with Overall/Read permission to execute arbitrary code on the Jenkins master JVM.

CVSS 3.1
9.9 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
73.85% probability · 99th percentile
CISA KEV
Listed 25 April 2022 · due 16 May 2022
Affected
jenkins/script security · redhat/openshift container platform
Source
jenkinsci-cert@googlegroups.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-1003029

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.