CVE-2022-27200 : What You Need to Know

Jenkins Folder-based Authorization Strategy Plugin 1.3 and earlier versions are vulnerable to stored cross-site scripting (XSS) attacks due to inadequate escaping of role names on the configuration form.

Understanding CVE-2022-27200

This CVE involves a security vulnerability in Jenkins Folder-based Authorization Strategy Plugin that can be exploited by attackers with Overall/Administer permission.

What is CVE-2022-27200?

The CVE-2022-27200 vulnerability in the Jenkins Folder-based Authorization Strategy Plugin allows attackers to execute cross-site scripting attacks by manipulating role names in the configuration interface.

The Impact of CVE-2022-27200

This vulnerability could be exploited by malicious actors with the required permissions to inject and execute arbitrary scripts within the affected application, compromising its integrity and potentially exposing sensitive information.

Technical Details of CVE-2022-27200

This section will delve into the specifics of the vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from the failure to properly sanitize user input, specifically role names, allowing attackers to insert malicious scripts that get executed in the context of the application.

Affected Systems and Versions

Product: Jenkins Folder-based Authorization Strategy Plugin
Vendor: Jenkins project
Versions Affected: <= 1.3 (unspecified, custom version)

Exploitation Mechanism

Attackers with Overall/Administer permission can exploit this vulnerability by manipulating role names on the configuration form to inject and execute malicious scripts.

Mitigation and Prevention

In this section, we will explore the steps to mitigate the risks posed by CVE-2022-27200 and prevent similar security issues in the future.

Immediate Steps to Take

Users should update the Jenkins Folder-based Authorization Strategy Plugin to a patched version that addresses the XSS vulnerability.
Access control policies should be reviewed to limit permissions for users with Overall/Administer privilege.

Long-Term Security Practices

Implement input validation and output encoding to prevent XSS attacks in web applications.
Regularly monitor security advisories and updates for the Jenkins Folder-based Authorization Strategy Plugin.

Patching and Updates

Ensure timely patching of the plugin to remediate security vulnerabilities and protect the application from exploitation.