CVE-2017-7662 : Vulnerability Insights and Analysis

Apache CXF Fediz package includes an OpenId Connect (OIDC) service with a Client Registration Service vulnerable to Cross Site Request Forgery (CSRF) in versions prior to 1.4.0 and 1.3.2.

Understanding CVE-2017-7662

Apache CXF Fediz has a CSRF vulnerability allowing malicious web apps to manipulate client actions.

What is CVE-2017-7662?

The vulnerability in Apache CXF Fediz versions prior to 1.4.0 and 1.3.2 enables unauthorized actions by exploiting active admin user sessions.

The Impact of CVE-2017-7662

The CSRF flaw permits malicious web apps to create new clients or reset secrets even when an admin user is logged in.

Technical Details of CVE-2017-7662

Apache CXF Fediz's vulnerability details and affected systems.

Vulnerability Description

The CSRF vulnerability in Apache CXF Fediz versions prior to 1.4.0 and 1.3.2 allows unauthorized actions through active admin sessions.

Affected Systems and Versions

Product: Apache CXF Fediz
Vendor: Apache Software Foundation
Vulnerable Versions: prior to 1.4.0, 1.3.2, and 1.2.4

Exploitation Mechanism

The vulnerability enables malicious web applications to perform actions like creating new clients or resetting secrets during active admin sessions.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2017-7662 vulnerability.

Immediate Steps to Take

Update Apache CXF Fediz to version 1.4.0 or newer to patch the CSRF vulnerability.
Monitor client registration activities for suspicious behavior.

Long-Term Security Practices

Implement CSRF tokens and secure coding practices in web applications.
Regularly audit and review client registration services for vulnerabilities.

Patching and Updates

Apply security patches and updates provided by Apache Software Foundation to address the CSRF vulnerability.