CVE-2022-25191 Explained : Impact and Mitigation

Jenkins Agent Server Parameter Plugin versions 1.0 and earlier are affected by a stored cross-site scripting (XSS) vulnerability due to improper handling of parameter names. Attackers with Item/Configure permission can exploit this issue.

Understanding CVE-2022-25191

This CVE refers to a security vulnerability in Jenkins Agent Server Parameter Plugin that allows stored XSS attacks.

What is CVE-2022-25191?

Jenkins Agent Server Parameter Plugin 1.0 and prior versions are susceptible to a stored cross-site scripting (XSS) vulnerability. This flaw arises from the inadequate escaping of parameter names, enabling malicious actors with specific permissions to execute XSS attacks.

The Impact of CVE-2022-25191

The vulnerability in Jenkins Agent Server Parameter Plugin could be exploited by attackers with Item/Configure permission, leading to potential XSS attacks. This security flaw poses a risk of unauthorized data disclosure, manipulation, or other malicious activities.

Technical Details of CVE-2022-25191

This section provides more insights into the technical aspects of the CVE.

Vulnerability Description

The vulnerability in Jenkins Agent Server Parameter Plugin arises from the failure to escape parameter names properly. This oversight allows attackers with Item/Configure permission to inject malicious scripts, potentially leading to XSS attacks.

Affected Systems and Versions

Jenkins Agent Server Parameter Plugin versions 1.0 and earlier are confirmed to be impacted by this vulnerability. Users with these versions are advised to take immediate action to secure their systems.

Exploitation Mechanism

Attackers with the necessary permissions can exploit this vulnerability by injecting malicious scripts into parameter names. Upon execution, these scripts can trigger XSS attacks, compromising the integrity of the affected systems.

Mitigation and Prevention

To address CVE-2022-25191 and enhance system security, the following steps are recommended:

Immediate Steps to Take

Users should update Jenkins Agent Server Parameter Plugin to a patched version that addresses the XSS vulnerability.
Implement proper input validation and output encoding to mitigate the risks of stored XSS attacks.

Long-Term Security Practices

Regularly monitor security advisories from Jenkins project to stay informed about potential vulnerabilities.
Follow security best practices, such as least privilege access and regular security audits, to maintain a secure environment.

Patching and Updates

Ensure timely installation of security patches and updates released by Jenkins project to safeguard systems against known vulnerabilities.