CVE-2019-10318 : Security Advisory and Response

Jenkins Azure AD Plugin version 0.3.3 and earlier stored sensitive information insecurely, potentially exposing it to unauthorized access.

Understanding CVE-2019-10318

This CVE entry pertains to a security vulnerability in the Jenkins Azure AD Plugin.

What is CVE-2019-10318?

The Jenkins Azure AD Plugin versions 0.3.3 and older had a flaw where the client secret was stored in plain text in the global config.xml file on the Jenkins master, allowing easy access to unauthorized users.

The Impact of CVE-2019-10318

The vulnerability could lead to unauthorized disclosure of sensitive information, compromising the security of the Jenkins environment.

Technical Details of CVE-2019-10318

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The Jenkins Azure AD Plugin 0.3.3 and earlier stored the client secret in an unencrypted format in the global config.xml file on the Jenkins master, enabling unauthorized access.

Affected Systems and Versions

Product: Jenkins Azure AD Plugin
Vendor: Jenkins project
Versions Affected: 0.3.3 and earlier

Exploitation Mechanism

Unauthorized users with access to the Jenkins master file system could easily view the client secret, potentially leading to security breaches.

Mitigation and Prevention

To address CVE-2019-10318, consider the following mitigation strategies:

Immediate Steps to Take

Upgrade to a patched version of the Jenkins Azure AD Plugin that addresses the vulnerability.
Implement access controls to restrict unauthorized access to sensitive information.

Long-Term Security Practices

Regularly review and update security configurations to prevent similar vulnerabilities.
Educate users on secure handling of sensitive information to minimize risks.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by Jenkins to address vulnerabilities.