CVE-2018-1000143 : Security Advisory and Response

This CVE involves a vulnerability in the Jenkins GitHub Pull Request Builder Plugin that exposes sensitive information, potentially allowing an attacker to obtain GitHub credentials.

Understanding CVE-2018-1000143

This CVE was assigned on April 5, 2018, and affects versions 1.39.0 and older of the Jenkins GitHub Pull Request Builder Plugin.

What is CVE-2018-1000143?

A flaw in the GhprbCause.java file of the Jenkins GitHub Pull Request Builder Plugin versions 1.39.0 and older exposes sensitive information, enabling attackers with local file system access to acquire GitHub credentials.

The Impact of CVE-2018-1000143

The vulnerability poses a risk of unauthorized access to GitHub credentials, potentially leading to further security breaches and data compromise.

Technical Details of CVE-2018-1000143

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw in the GhprbCause.java file allows attackers with local file system access to extract GitHub credentials, compromising sensitive information.

Affected Systems and Versions

Jenkins GitHub Pull Request Builder Plugin versions 1.39.0 and older

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging local file system access to retrieve GitHub credentials, potentially leading to unauthorized access.

Mitigation and Prevention

Protecting systems from CVE-2018-1000143 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the Jenkins GitHub Pull Request Builder Plugin to the latest version to patch the vulnerability
Monitor and restrict access to sensitive information and credentials

Long-Term Security Practices

Regularly review and update security configurations and access controls
Conduct security training for personnel to enhance awareness and prevent similar vulnerabilities
Implement multi-factor authentication and encryption to secure sensitive data
Perform regular security audits and penetration testing to identify and address potential vulnerabilities

Patching and Updates

Apply patches and updates provided by Jenkins to address the vulnerability and enhance system security