CVE-2018-1000183 : Security Advisory and Response

Jenkins GitHub Plugin versions 1.29.0 and earlier have a vulnerability that exposes sensitive information, allowing attackers to establish a connection with a URL provided by the attacker.

Understanding CVE-2018-1000183

This CVE involves a security vulnerability in Jenkins GitHub Plugin versions 1.29.0 and older, specifically in GitHubServerConfig.java, that can lead to the exposure of sensitive information.

What is CVE-2018-1000183?

This vulnerability enables attackers with Overall/Read access to connect to a URL specified by the attacker using credentials IDs obtained through another method. This allows them to retrieve credentials stored in Jenkins.

The Impact of CVE-2018-1000183

The vulnerability can result in unauthorized access to sensitive information stored in Jenkins, potentially leading to data breaches and unauthorized actions within the Jenkins environment.

Technical Details of CVE-2018-1000183

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in Jenkins GitHub Plugin versions 1.29.0 and earlier allows attackers to establish connections with specified URLs using obtained credentials IDs, potentially compromising sensitive information.

Affected Systems and Versions

Affected Version: Jenkins GitHub Plugin 1.29.0 and older
Specifically in GitHubServerConfig.java

Exploitation Mechanism

Attackers with Overall/Read access exploit the vulnerability to connect to a URL provided by the attacker
Use credentials IDs obtained through other means to access and retrieve stored credentials in Jenkins

Mitigation and Prevention

Protecting systems from CVE-2018-1000183 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Jenkins GitHub Plugin to the latest version to patch the vulnerability
Monitor and restrict access to sensitive information within Jenkins

Long-Term Security Practices

Regularly review and update security configurations in Jenkins
Implement least privilege access controls to limit exposure of sensitive data

Patching and Updates

Apply security patches and updates promptly to ensure protection against known vulnerabilities