CVE-2018-1000415 : What You Need to Know

A vulnerability in versions 1.28 and earlier of the Jenkins Rebuilder Plugin allows users with Job/Configuration permission to inject HTML code into rebuild forms.

Understanding CVE-2018-1000415

This CVE involves a cross-site scripting vulnerability in the Jenkins Rebuilder Plugin.

What is CVE-2018-1000415?

This vulnerability in Jenkins Rebuilder Plugin versions 1.28 and earlier enables users with specific permissions to insert arbitrary HTML code into rebuild forms through various jelly files.

The Impact of CVE-2018-1000415

Users with Job/Configuration permission can exploit this vulnerability to add any HTML code into rebuild forms, potentially leading to unauthorized actions or data exposure.

Technical Details of CVE-2018-1000415

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability exists in multiple jelly files of the Jenkins Rebuilder Plugin, allowing unauthorized HTML code injection by users with Job/Configuration permission.

Affected Systems and Versions

Jenkins Rebuilder Plugin versions 1.28 and earlier

Exploitation Mechanism

Users with Job/Configuration permission can exploit the vulnerability by injecting HTML code into rebuild forms.

Mitigation and Prevention

Protecting systems from CVE-2018-1000415 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade Jenkins Rebuilder Plugin to a non-vulnerable version.
Restrict Job/Configuration permissions to trusted users.
Monitor and review rebuild forms for suspicious HTML code.

Long-Term Security Practices

Regularly update Jenkins and its plugins to the latest secure versions.
Educate users on secure coding practices and the risks of HTML injection.

Patching and Updates

Apply patches provided by Jenkins to fix the vulnerability and prevent exploitation.