CVE-2020-2201 Explained : Impact and Mitigation

Jenkins Sonargraph Integration Plugin 3.0.0 and earlier versions are affected by a stored cross-site scripting vulnerability due to improper handling of file paths in the Log file field form validation.

Understanding CVE-2020-2201

This CVE affects the Jenkins Sonargraph Integration Plugin, potentially allowing attackers to execute malicious scripts in the context of a user's browser.

What is CVE-2020-2201?

The vulnerability in Jenkins Sonargraph Integration Plugin allows for stored cross-site scripting attacks, posing a security risk to affected systems.

The Impact of CVE-2020-2201

The vulnerability could be exploited by attackers to inject and execute malicious scripts, compromising the integrity and confidentiality of data processed by the affected plugin.

Technical Details of CVE-2020-2201

Jenkins Sonargraph Integration Plugin's vulnerability stems from inadequate file path handling in the Log file field form validation.

Vulnerability Description

The issue arises from the failure to properly escape file paths, enabling attackers to inject and execute arbitrary scripts.

Affected Systems and Versions

Product: Jenkins Sonargraph Integration Plugin
Vendor: Jenkins project
Versions Affected: <= 3.0.0 (unspecified/custom version)

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the Log file field to inject malicious scripts, leading to stored cross-site scripting attacks.

Mitigation and Prevention

Taking immediate action and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2020-2201.

Immediate Steps to Take

Update the Jenkins Sonargraph Integration Plugin to a patched version that addresses the vulnerability.
Monitor and restrict user input to prevent script injection through the Log file field.

Long-Term Security Practices

Regularly review and update security configurations for Jenkins plugins to prevent similar vulnerabilities.
Educate users on secure coding practices to minimize the risk of cross-site scripting attacks.

Patching and Updates

Stay informed about security advisories from Jenkins project to promptly apply patches and updates to vulnerable plugins.