CVE-2019-1003087 : Vulnerability Insights and Analysis

Jenkins Chef Sinatra Plugin allows individuals with Overall/Read permission to establish a connection to a server specified by the attacker.

Understanding CVE-2019-1003087

The vulnerability in Jenkins Chef Sinatra Plugin enables unauthorized users to connect to attacker-specified servers.

What is CVE-2019-1003087?

A missing permission check in the ChefBuilderConfiguration.DescriptorImpl#doTestConnection form validation method in Jenkins Chef Sinatra Plugin allows attackers with Overall/Read permission to initiate a connection to an attacker-specified server.

The Impact of CVE-2019-1003087

Unauthorized users with Overall/Read permission can establish connections to servers specified by attackers, potentially leading to unauthorized access and data breaches.

Technical Details of CVE-2019-1003087

Jenkins Chef Sinatra Plugin vulnerability details.

Vulnerability Description

The ChefBuilderConfiguration.DescriptorImpl#doTestConnection form validation method lacks a permission check, enabling unauthorized connections.

Affected Systems and Versions

Product: Jenkins Chef Sinatra Plugin
Vendor: Jenkins project
Versions: All versions as of 2019-04-03

Exploitation Mechanism

Attackers with Overall/Read permission exploit the vulnerability to connect to specified servers.

Mitigation and Prevention

Protecting systems from CVE-2019-1003087.

Immediate Steps to Take

Update Jenkins Chef Sinatra Plugin to the latest version.
Restrict Overall/Read permissions to trusted users.
Monitor network connections for suspicious activities.

Long-Term Security Practices

Regularly review and update permission settings.
Conduct security training for users to recognize and report suspicious activities.

Patching and Updates

Apply security patches promptly.