Improper access control in Script Security - CVE-2019-16538

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Main Vulnerability Database Vulnerabilities #VU22916

Improper access control in Script Security - CVE-2019-16538

Published: November 22, 2019


Vulnerability identifier: #VU22916
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-16538
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass sandbox restrictions.

The vulnerability exists due to improper access restrictions. A remote authenticated attacker can circumvent the Sandbox protection through closure default parameter expressions and execute arbitrary code on the Jenkins master JVM.


Affected software

Script Security
jenkins-2-plugins (Red Hat package)
Red Hat OpenShift Container Platform

How to mitigate CVE-2019-16538

Install updates from vendor's website.

Script Security - update to 1.68
jenkins-2-plugins (Red Hat package) - addressed in versions 3.11.1591354111-1.el7, 4.3.1597915133-1.el7, 4.4.1592817009-1.el7

External References

Related Security Bulletins