CVE-2018-1000106 Explained : Impact and Mitigation

Jenkins Gerrit Trigger Plugin version 2.27.4 and earlier are susceptible to an unauthorized access vulnerability, allowing attackers with specific privileges to manipulate Gerrit configuration within Jenkins.

Understanding CVE-2018-1000106

This CVE involves an improper authorization issue in the Jenkins Gerrit Trigger Plugin.

What is CVE-2018-1000106?

This vulnerability in Jenkins Gerrit Trigger Plugin version 2.27.4 and prior allows attackers with Overall/Read access to modify Gerrit configuration in Jenkins.

The Impact of CVE-2018-1000106

The vulnerability enables unauthorized access to Gerrit configuration, potentially leading to manipulation by malicious actors.

Technical Details of CVE-2018-1000106

The technical aspects of this CVE are as follows:

Vulnerability Description

The vulnerability exists in files GerritManagement.java, GerritServer.java, and PluginImpl.java within the Jenkins Gerrit Trigger Plugin.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Jenkins Gerrit Trigger Plugin version 2.27.4 and earlier

Exploitation Mechanism

Attackers with Overall/Read privileges can exploit this vulnerability to tamper with Gerrit configuration in Jenkins.

Mitigation and Prevention

To address CVE-2018-1000106, consider the following steps:

Immediate Steps to Take

Update Jenkins Gerrit Trigger Plugin to a non-vulnerable version.
Restrict Overall/Read privileges to minimize the risk of unauthorized access.

Long-Term Security Practices

Regularly review and update Jenkins plugins to ensure security patches are applied promptly.
Implement the principle of least privilege to restrict access rights based on job roles.

Patching and Updates

Stay informed about security advisories from Jenkins and promptly apply recommended patches to secure the system.