JoySafeter Remote Code Execution via Unsafe Command Execution

Executive Summary

JoySafeter through 1.0.0 has a remote code execution (RCE) vulnerability. Authenticated users can run operating system commands via an unsandboxed execute tool in Copilot standard mode. Attackers self-register, select standard mode in the WebSocket chat.start extension, and have the agent invoke subprocess.run with shell=True on the host. This allows access to other tenants' data and server secrets.

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Detection Guidance

Check JoySafeter logs for suspicious Copilot standard mode activity or unsandboxed command execution. Monitor WebSocket chat.start extensions for non-standard user interactions. Inspect subprocess.run calls with shell=True in backend services.

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Impact Analysis

An attacker could execute arbitrary commands on the host system, potentially accessing sensitive data from other tenants, stealing server secrets, or taking control of the system. This could lead to data breaches, unauthorized access, or system compromise.

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Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR and HIPAA compliance. It may result in data breaches, unauthorized disclosure, or loss of data integrity, triggering regulatory penalties and legal consequences.

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Mitigation Strategies

Upgrade JoySafeter to a patched version beyond 1.0.0. Disable Copilot standard mode if not required. Implement strict input validation for WebSocket chat.start extensions. Restrict user registration to prevent self-registration attacks.

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