CVE-2022-30956 Explained : Impact and Mitigation

Jenkins Rundeck Plugin version 3.6.10 and earlier are vulnerable to a stored cross-site scripting (XSS) exploit due to unrestricted URL schemes in Rundeck webhook submissions.

Understanding CVE-2022-30956

This CVE pertains to a security vulnerability in the Jenkins Rundeck Plugin that allows attackers to execute malicious scripts through crafted Rundeck webhook payloads.

What is CVE-2022-30956?

The CVE-2022-30956 vulnerability in Jenkins Rundeck Plugin versions prior to 3.6.10 enables attackers to conduct stored cross-site scripting attacks by exploiting unrestricted URL schemes in Rundeck webhook submissions.

The Impact of CVE-2022-30956

The impact of this vulnerability is significant as it allows attackers to execute malicious scripts in the context of a user's web session, potentially leading to sensitive data theft or unauthorized actions on the affected system.

Technical Details of CVE-2022-30956

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

Jenkins Rundeck Plugin 3.6.10 and earlier fail to enforce URL scheme restrictions in webhook submissions, leading to a stored cross-site scripting vulnerability.

Affected Systems and Versions

The vulnerability affects Jenkins Rundeck Plugin versions up to and including 3.6.10.

Exploitation Mechanism

Attackers can exploit this vulnerability by submitting malicious Rundeck webhook payloads containing crafted URL schemes.

Mitigation and Prevention

Discover the steps to mitigate the impact and prevent future occurrences of this vulnerability.

Immediate Steps to Take

Users are advised to update the Jenkins Rundeck Plugin to a secure version that addresses the XSS vulnerability.

Long-Term Security Practices

Ensure regular security audits and code reviews to identify and patch similar security flaws in plugins and applications.

Patching and Updates

Stay informed about security advisories and apply patches promptly to safeguard against known vulnerabilities.