CVE-2019-10373 : Security Advisory and Response

The Jenkins Build Pipeline Plugin version 1.5.8 and earlier is affected by a stored cross-site scripting vulnerability, allowing attackers to inject malicious code into Jenkins web pages.

Understanding CVE-2019-10373

This CVE identifies a security flaw in the Jenkins Build Pipeline Plugin that could be exploited by attackers to execute cross-site scripting attacks.

What is CVE-2019-10373?

The vulnerability in the Jenkins Build Pipeline Plugin version 1.5.8 and earlier allows attackers with the ability to modify the build pipeline description to insert arbitrary HTML and JavaScript code into the plugin's web pages.

The Impact of CVE-2019-10373

This vulnerability poses a risk as it enables attackers to execute cross-site scripting attacks, potentially leading to unauthorized access, data theft, and other malicious activities.

Technical Details of CVE-2019-10373

The technical aspects of the CVE-2019-10373 vulnerability are as follows:

Vulnerability Description

The Jenkins Build Pipeline Plugin version 1.5.8 and earlier is susceptible to a stored cross-site scripting vulnerability, allowing attackers to manipulate the build pipeline description and inject malicious code into Jenkins web pages.

Affected Systems and Versions

Product: Jenkins Build Pipeline Plugin
Vendor: Jenkins project
Vulnerable Versions: 1.5.8 and earlier

Exploitation Mechanism

Attackers can exploit this vulnerability by modifying the build pipeline description, enabling them to insert arbitrary HTML and JavaScript code into the web pages provided by the plugin in Jenkins.

Mitigation and Prevention

To address CVE-2019-10373, consider the following mitigation strategies:

Immediate Steps to Take

Update the Jenkins Build Pipeline Plugin to the latest version that contains a patch for the vulnerability.
Restrict access to Jenkins to authorized personnel only.

Long-Term Security Practices

Regularly monitor and audit Jenkins configurations and plugins for security vulnerabilities.
Educate users on secure coding practices to prevent cross-site scripting attacks.

Patching and Updates

Stay informed about security advisories and updates from Jenkins to promptly apply patches for known vulnerabilities.