CVE-2020-2293 : Security Advisory and Response

Jenkins Persona Plugin 2.4 and earlier allows users with Overall/Read permission to read arbitrary files on the Jenkins controller.

Understanding CVE-2020-2293

Jenkins Persona Plugin vulnerability impacting versions 2.4 and earlier.

What is CVE-2020-2293?

The vulnerability in Jenkins Persona Plugin allows users with specific permissions to access arbitrary files on the Jenkins controller.

The Impact of CVE-2020-2293

This vulnerability could lead to unauthorized access to sensitive information stored on the Jenkins controller.

Technical Details of CVE-2020-2293

Details of the vulnerability affecting Jenkins Persona Plugin.

Vulnerability Description

The issue arises from improper restrictions on file access, enabling users with Overall/Read permission to view any file on the Jenkins controller.

Affected Systems and Versions

Product: Jenkins Persona Plugin
Vendor: Jenkins project
Versions Affected: 2.4 and earlier

Exploitation Mechanism

The vulnerability can be exploited by users with the specified permission level to navigate and read files beyond their intended access rights.

Mitigation and Prevention

Steps to address and prevent the CVE-2020-2293 vulnerability.

Immediate Steps to Take

Upgrade Jenkins Persona Plugin to a version beyond 2.4 that includes a fix for the vulnerability.
Restrict permissions for users to minimize the risk of unauthorized file access.

Long-Term Security Practices

Regularly review and update access control policies within Jenkins to ensure proper file restrictions.
Conduct security training for users to raise awareness about file access best practices.

Patching and Updates

Stay informed about security advisories from Jenkins project and promptly apply patches to address known vulnerabilities.