CVE-2017-1000104 : Exploit Details and Defense Strategies

The Config File Provider Plugin in Jenkins had a vulnerability that allowed users with limited access to view sensitive configuration files. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2017-1000104

The Config File Provider Plugin in Jenkins had a security issue that allowed unauthorized access to sensitive configuration files.

What is CVE-2017-1000104?

The Config File Provider Plugin in Jenkins is designed to centrally manage configuration files containing sensitive information like passwords. However, users with restricted access were able to view these files without proper permissions.

The Impact of CVE-2017-1000104

The vulnerability allowed users with Overall/Read access to Jenkins to directly access URLs and view sensitive configuration files, posing a risk of unauthorized data exposure.

Technical Details of CVE-2017-1000104

The technical aspects of the vulnerability in the Config File Provider Plugin.

Vulnerability Description

Users with limited access to Jenkins could access URLs to view sensitive configuration files without the required permissions.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

Unauthorized users could exploit the vulnerability by directly accessing URLs to view sensitive configuration files.

Mitigation and Prevention

Steps to address and prevent the CVE-2017-1000104 vulnerability.

Immediate Steps to Take

Ensure proper permissions are set for accessing configuration files.
Review and update folder configurations to restrict unauthorized access.
Limit Job/Configure permissions to prevent unauthorized file viewing.

Long-Term Security Practices

Regularly review and update access controls in Jenkins.
Educate users on the importance of securing sensitive configuration files.

Patching and Updates

Stay updated with Jenkins security advisories and apply patches promptly to address vulnerabilities.