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attack-surface.md

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Attack Surface Analysis for bevyengine/bevy

Attack Surface: Malicious Plugins

  • Description: Plugins from untrusted sources containing malicious code that can compromise the application.
    • Bevy Contribution: Bevy's plugin system is a core feature designed for extensibility. It inherently allows external code to be loaded and executed within the application's context, making it a direct entry point for malicious code if plugins are not carefully managed.
    • Example: A plugin downloaded from an unofficial forum, intended to add "cool visual effects," instead contains code that steals user credentials stored by the application or installs a persistent backdoor on the user's system.
    • Impact: Code Execution, Data Exfiltration, Backdoors, Full System Compromise.
    • Risk Severity: Critical
    • Mitigation Strategies:
      • Strict Plugin Source Control: Crucially, only use plugins from highly trusted and officially verified sources. Prefer plugins from the official Bevy asset store or repositories with strong community vetting and developer reputation.
      • Mandatory Plugin Vetting and Auditing: Implement a rigorous process for vetting and auditing plugin code before integration. This should include code review, static analysis, and potentially dynamic analysis in a sandboxed environment.
      • Dependency Lockdown and Review: Thoroughly review and lock down plugin dependencies. Ensure all plugin dependencies are also from trusted sources and are regularly updated and audited.
      • Principle of Least Privilege for Plugins (Advanced): Explore and implement mechanisms to restrict plugin permissions and capabilities. Investigate if Bevy or Rust's features can be leveraged to sandbox plugin execution (this is a complex area and may require significant effort).
      • User Education: If end-users can install plugins, provide clear warnings and guidelines about the risks of installing untrusted plugins.

Attack Surface: Bevy Engine Vulnerabilities

  • Description: Undiscovered or unpatched vulnerabilities within the Bevy Engine core itself.
    • Bevy Contribution: As the foundation of the application, vulnerabilities in Bevy Engine directly impact all applications built upon it. The complexity of a game engine like Bevy means vulnerabilities are possible, especially in a relatively young and actively developed engine.
    • Example: A heap buffer overflow vulnerability is discovered in Bevy's ECS system. An attacker crafts a specific game scenario or asset that triggers this overflow, leading to arbitrary code execution on the user's machine when they run the Bevy application.
    • Impact: Denial of Service (DoS), Code Execution, Undefined Behavior, Full System Compromise.
    • Risk Severity: High to Critical (depending on the nature and exploitability of the vulnerability).
    • Mitigation Strategies:
      • Aggressive Bevy Updates: Critically, always use the latest stable version of Bevy Engine. Monitor Bevy's release notes and security advisories closely and update immediately when new versions are released.
      • Proactive Vulnerability Monitoring: Actively monitor security channels and vulnerability databases for reports related to Bevy Engine and its dependencies.
      • Community Participation and Reporting: Encourage internal security testing and participate in the Bevy community to report any potential security issues or unexpected behavior observed during development.
      • Consider Beta/Nightly Builds with Caution (for advanced users): While stable releases are recommended for production, in development, occasionally testing with beta or nightly builds (in a controlled environment) can help identify and report issues upstream, contributing to overall Bevy security, but use with caution due to instability risks.