Permissions, Privileges, and Access Controls in Script Security - CVE-2020-2134

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Main Vulnerability Database Vulnerabilities #VU26004

Permissions, Privileges, and Access Controls in Script Security - CVE-2020-2134

Published: March 11, 2020


Vulnerability identifier: #VU26004
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-2020-2134
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the Sandbox protection can be circumvented through a crafted constructor calls and bodies. A remote authenticated attacker can specify and run sandboxed scripts to execute arbitrary code in the context of the Jenkins master JVM.


Affected software

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

How to mitigate CVE-2020-2134

Install updates from vendor's website.

Script Security - update to 1.71
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