SSTI Vulnerability in Furion .NET Framework

Executive Summary

This vulnerability is a security flaw in Furion .NET Framework up to version 4.9.9.95. It affects the View Engine component, specifically the RunCompile function in the file framework/Furion/ViewEngine/Engines/ViewEngine.cs. The issue involves improper neutralization of special elements used in a template engine, allowing manipulation of the content argument. An exploit has been publicly released and can be used for remote attacks.

Useful 0 Not Useful 0

Detection Guidance

This vulnerability involves improper neutralization in the Furion .NET Framework's View Engine. To detect it, inspect network traffic for unusual template engine requests or responses containing special characters. Check application logs for errors in ViewEngine.cs or RunCompile function calls. Use tools like grep to search for suspicious patterns in logs or network captures.

Useful 0 Not Useful 0

Impact Analysis

This vulnerability could allow attackers to execute remote attacks by manipulating template content. It may lead to unauthorized access, data breaches, or code execution on affected systems. The public availability of the exploit increases the risk of widespread attacks.

Useful 0 Not Useful 0

Compliance Impact

The vulnerability allows remote manipulation of template engine inputs, which could lead to unauthorized data exposure or code execution. This may violate GDPR's data integrity and confidentiality requirements and HIPAA's security controls for protected health information if exploited.

Useful 0 Not Useful 0

Mitigation Strategies

Immediately update Furion .NET Framework to the latest version beyond 4.9.9.95. If no update is available, consider disabling the View Engine component or restricting network access to affected systems until a patch is released.

Useful 0 Not Useful 0