Command Injection in NetForensicMCP

Executive Summary

This vulnerability is a command injection flaw in NetForensicMCP 2.1.0. It exists in the execAsync function of index.js where user-controlled arguments like interface or protocol are directly used in shell commands without sanitization. Attackers can inject malicious commands via these parameters, leading to arbitrary code execution on the server.

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Detection Guidance

To detect this vulnerability, inspect the NetForensicMCP server logs for unusual command execution patterns, especially those involving shell metacharacters like & or |. Check if the execAsync function in index.js is called with user-controlled arguments such as interface or protocol. Monitor network traffic for unexpected outbound connections or file writes initiated by the MCP server process.

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Impact Analysis

If exploited, attackers can execute arbitrary OS commands with the privileges of the MCP server process. This could allow them to write files, run applications, or perform other malicious actions on the system hosting NetForensicMCP. The attack can be launched remotely without special prerequisites.

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Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating compliance requirements such as GDPR's data protection principles or HIPAA's security rules. Unauthorized command execution may expose sensitive data or compromise system integrity, resulting in regulatory penalties.

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Mitigation Strategies

Immediately disable the NetForensicMCP server if it is running. Remove or restrict access to the vulnerable functions, particularly those using child_process.exec(). Replace exec() with safer alternatives like child_process.execFile() or child_process.spawn() to prevent command injection. Apply input validation and sanitization for all user-controlled arguments.

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