CVE-2020-2235 : What You Need to Know

A cross-site request forgery (CSRF) vulnerability in Jenkins Pipeline Maven Integration Plugin 3.8.2 and earlier allows attackers to connect to an attacker-specified JDBC URL using attacker-specified credentials IDs obtained through another method, potentially capturing credentials stored in Jenkins.

Understanding CVE-2020-2235

This CVE involves a security vulnerability in the Jenkins Pipeline Maven Integration Plugin that could lead to unauthorized access and potential credential exposure.

What is CVE-2020-2235?

CVE-2020-2235 is a CSRF vulnerability in the Jenkins Pipeline Maven Integration Plugin versions 3.8.2 and earlier, enabling attackers to manipulate JDBC URLs and credentials to access sensitive information.

The Impact of CVE-2020-2235

The vulnerability allows attackers to exploit Jenkins instances, potentially compromising stored credentials and sensitive data, leading to unauthorized access and data breaches.

Technical Details of CVE-2020-2235

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The CSRF flaw in Jenkins Pipeline Maven Integration Plugin versions <= 3.8.2 permits attackers to connect to a specified JDBC URL using obtained credentials, risking the exposure of stored Jenkins credentials.

Affected Systems and Versions

Product: Jenkins Pipeline Maven Integration Plugin
Vendor: Jenkins project
Versions Affected: <= 3.8.2

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating JDBC URLs and credentials IDs, potentially gaining unauthorized access to sensitive information stored in Jenkins.

Mitigation and Prevention

Protecting systems from CVE-2020-2235 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Jenkins Pipeline Maven Integration Plugin to a patched version above 3.8.2.
Monitor and restrict network access to Jenkins instances.
Regularly review and rotate credentials stored in Jenkins.

Long-Term Security Practices

Implement strict access controls and authentication mechanisms.
Conduct regular security audits and vulnerability assessments.
Educate users on secure coding practices and CSRF prevention.

Patching and Updates

Apply security patches promptly to Jenkins and associated plugins.
Stay informed about security advisories and updates from Jenkins project.