CVE-2022-34189 : Exploit Details and Defense Strategies

Jenkins Image Tag Parameter Plugin 1.10 and earlier versions are susceptible to a stored cross-site scripting (XSS) vulnerability. Attackers with Item/Configure permission can exploit this issue by manipulating the name and description of Image Tag parameters.

Understanding CVE-2022-34189

This CVE affects the Jenkins Image Tag Parameter Plugin, allowing attackers to execute stored XSS attacks.

What is CVE-2022-34189?

CVE-2022-34189 is a vulnerability in versions 1.10 and earlier of the Jenkins Image Tag Parameter Plugin. It arises from inadequate data sanitization, enabling attackers to inject malicious scripts.

The Impact of CVE-2022-34189

The impact of this vulnerability is the potential for attackers to execute arbitrary scripts within the context of the affected Jenkins server. This could lead to data theft, privilege escalation, or other malicious activities.

Technical Details of CVE-2022-34189

The following technical details provide insights into the vulnerability's specifics:

Vulnerability Description

The issue lies in the plugin's failure to properly escape the name and description of Image Tag parameters, leaving them vulnerable to XSS attacks when displayed on certain views.

Affected Systems and Versions

Affected Versions: 1.10 and earlier
Vendor: Jenkins project

Exploitation Mechanism

Attackers with Item/Configure permission can exploit this vulnerability by inserting malicious scripts into Image Tag parameters, which are not properly sanitized.

Mitigation and Prevention

To safeguard against CVE-2022-34189, consider the following measures:

Immediate Steps to Take

Upgrade the Jenkins Image Tag Parameter Plugin to a patched version that addresses this vulnerability.
Restrict access permissions for users to minimize the risk of exploitation.

Long-Term Security Practices

Regularly update Jenkins and its plugins to the latest secure versions.
Implement content security policies (CSP) to mitigate XSS risks.

Patching and Updates

Ensure timely patching of vulnerable plugins and stay informed about security advisories to protect your Jenkins environment from known vulnerabilities.