CVE-2018-1000146 Explained : Impact and Mitigation

A vulnerability in Liquibase Runner Plugin versions 1.3.0 and earlier allows attackers to execute arbitrary code on the Jenkins master JVM.

Understanding CVE-2018-1000146

This CVE involves a security flaw in Liquibase Runner Plugin that permits unauthorized code execution on the Jenkins master JVM.

What is CVE-2018-1000146?

This CVE identifies an arbitrary code execution vulnerability in Liquibase Runner Plugin versions 1.3.0 and older. Attackers with job configuration permissions can exploit this flaw to load and run any code on the Jenkins master JVM.

The Impact of CVE-2018-1000146

The vulnerability enables attackers to execute malicious code on the Jenkins master JVM, potentially leading to unauthorized access, data breaches, and system compromise.

Technical Details of CVE-2018-1000146

This section provides detailed technical insights into the CVE.

Vulnerability Description

The Liquibase Runner Plugin versions 1.3.0 and earlier are susceptible to arbitrary code execution, allowing attackers to load and execute unauthorized code on the Jenkins master JVM.

Affected Systems and Versions

Liquibase Runner Plugin versions 1.3.0 and earlier

Exploitation Mechanism

Attackers with authorization to configure jobs can exploit this vulnerability to execute arbitrary code on the Jenkins master JVM.

Mitigation and Prevention

Protect your systems from CVE-2018-1000146 with the following measures:

Immediate Steps to Take

Update Liquibase Runner Plugin to a secure version
Restrict job configuration permissions to trusted users
Monitor Jenkins master JVM for suspicious activities

Long-Term Security Practices

Regularly review and update Jenkins plugins
Implement least privilege access controls
Conduct security training for Jenkins administrators

Patching and Updates

Apply patches and updates provided by Jenkins to address this vulnerability