CVE-2020-2217 : Vulnerability Insights and Analysis

Jenkins Compatibility Action Storage Plugin 1.0 and earlier versions are affected by a reflected cross-site scripting (XSS) vulnerability due to improper content escaping from MongoDB. This CVE was published on July 2, 2020.

Understanding CVE-2020-2217

This CVE affects the Jenkins Compatibility Action Storage Plugin, potentially exposing systems to XSS attacks.

What is CVE-2020-2217?

CVE-2020-2217 is a security vulnerability in Jenkins Compatibility Action Storage Plugin versions 1.0 and earlier. The issue arises from unescaped content from MongoDB in the testConnection form validation endpoint, leading to XSS vulnerabilities.

The Impact of CVE-2020-2217

The vulnerability allows attackers to execute malicious scripts in the context of a user's browser, potentially compromising sensitive data or performing unauthorized actions.

Technical Details of CVE-2020-2217

Jenkins Compatibility Action Storage Plugin is susceptible to XSS attacks due to unescaped content from MongoDB.

Vulnerability Description

The plugin fails to properly escape content from MongoDB, enabling attackers to inject and execute malicious scripts through the testConnection form validation endpoint.

Affected Systems and Versions

Product: Jenkins Compatibility Action Storage Plugin
Vendor: Jenkins project
Versions Affected: 1.0 and earlier

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the MongoDB content, which are then reflected back to users through the testConnection form validation endpoint.

Mitigation and Prevention

To address CVE-2020-2217, follow these mitigation steps:

Immediate Steps to Take

Update Jenkins Compatibility Action Storage Plugin to a patched version.
Implement input validation mechanisms to sanitize user inputs.

Long-Term Security Practices

Regularly monitor and update all Jenkins plugins to their latest versions.
Conduct security audits to identify and address potential vulnerabilities proactively.

Patching and Updates

Apply patches released by Jenkins project promptly to fix the XSS vulnerability in the Compatibility Action Storage Plugin.