CVE-2020-2261 Explained : Impact and Mitigation

Jenkins Perfecto Plugin 1.17 and earlier allows attackers with Job/Configure permission to run arbitrary commands on the Jenkins controller.

Understanding CVE-2020-2261

Jenkins Perfecto Plugin vulnerability impacting versions 1.17 and earlier.

What is CVE-2020-2261?

This CVE involves the execution of a command on the Jenkins controller by the Jenkins Perfecto Plugin, enabling attackers to execute arbitrary commands.

The Impact of CVE-2020-2261

Attackers with Job/Configure permission can run unauthorized commands on the Jenkins controller.

Technical Details of CVE-2020-2261

Jenkins Perfecto Plugin vulnerability details.

Vulnerability Description

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Systems and Versions

Product: Jenkins Perfecto Plugin
Vendor: Jenkins project
Versions Affected: <= 1.17

Exploitation Mechanism

Attackers with Job/Configure permission exploit the plugin to execute arbitrary commands on the Jenkins controller.

Mitigation and Prevention

Steps to address CVE-2020-2261.

Immediate Steps to Take

Upgrade Jenkins Perfecto Plugin to a version beyond 1.17.
Restrict Job/Configure permissions to trusted users.

Long-Term Security Practices

Regularly review and update Jenkins plugins for security patches.
Implement the principle of least privilege to limit user permissions.

Patching and Updates

Apply security patches promptly to Jenkins and associated plugins.