CVE-2019-1003091 Explained : Impact and Mitigation

A vulnerability in the Jenkins SOASTA CloudTest Plugin allows attackers with specific permissions to establish connections to unauthorized servers.

Understanding CVE-2019-1003091

The vulnerability in the CloudTestServer.DescriptorImpl class of the Jenkins SOASTA CloudTest Plugin enables attackers to connect to servers without proper authorization.

What is CVE-2019-1003091?

The flaw in the form validation method of the plugin permits users with Overall/Read permission to connect to a server specified by the attacker without proper checks.

The Impact of CVE-2019-1003091

This vulnerability could be exploited by malicious actors with specific permissions to establish unauthorized connections, potentially leading to further security breaches.

Technical Details of CVE-2019-1003091

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The CloudTestServer.DescriptorImpl class in the Jenkins SOASTA CloudTest Plugin lacks a permission check, allowing users with specific permissions to connect to unauthorized servers.

Affected Systems and Versions

Product: Jenkins SOASTA CloudTest Plugin
Vendor: Jenkins project
Versions: All versions as of 2019-04-03

Exploitation Mechanism

Attackers with Overall/Read permission can exploit the flaw in the form validation method to establish connections to servers specified by them.

Mitigation and Prevention

To address CVE-2019-1003091, consider the following steps:

Immediate Steps to Take

Update the Jenkins SOASTA CloudTest Plugin to the latest version.
Restrict permissions for users to minimize the risk of unauthorized connections.

Long-Term Security Practices

Regularly monitor and audit permissions within Jenkins to prevent unauthorized access.
Educate users on secure coding practices and the importance of permission checks.

Patching and Updates

Stay informed about security advisories from Jenkins and promptly apply patches to address known vulnerabilities.