CVE-2022-28146 Explained : Impact and Mitigation

Jenkins Continuous Integration with Toad Edge Plugin 2.3 and earlier versions are vulnerable to a security issue that allows attackers with Item/Configure permission to read arbitrary files on the Jenkins controller.

Understanding CVE-2022-28146

This CVE impacts Jenkins Continuous Integration with Toad Edge Plugin versions 2.3 and below, providing unauthorized users the ability to access sensitive files on the Jenkins controller.

What is CVE-2022-28146?

The vulnerability in Jenkins Continuous Integration with Toad Edge Plugin versions 2.3 and earlier enables attackers with specific permissions to view arbitrary files on the Jenkins controller by defining an input folder as a parameter in build steps.

The Impact of CVE-2022-28146

Attackers with Item/Configure permissions can exploit this vulnerability to gain unauthorized access to confidential information stored on the Jenkins controller, potentially leading to data breaches and unauthorized disclosure.

Technical Details of CVE-2022-28146

Vulnerability Description

The security flaw in Jenkins Continuous Integration with Toad Edge Plugin allows for a path traversal attack, specifically an improper limitation of a pathname to a restricted directory (CWE-22). This enables attackers to read files they are not authorized to access.

Affected Systems and Versions

Product: Jenkins Continuous Integration with Toad Edge Plugin
Vendor: Jenkins project
Versions Affected: 2.3 and earlier

Exploitation Mechanism

By specifying an input folder on the Jenkins controller as a parameter to build steps, attackers with Item/Configure permission can exploit the vulnerability to retrieve and read sensitive files on the controller.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the risks associated with CVE-2022-28146, users are advised to upgrade Jenkins Continuous Integration with Toad Edge Plugin to a version beyond 2.3 that addresses this security vulnerability.

Long-Term Security Practices

Regularly review and adjust user permissions to limit access to critical files and directories, reducing the attack surface for potential threats.

Patching and Updates

Stay informed about security advisories from Jenkins project and promptly apply updates and patches to ensure the protection of your Jenkins environment from known vulnerabilities.