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Security Policy

🛡️ Security Overview

METAGRAPH is built with security as a fundamental principle. This document outlines our security practices, vulnerability reporting process, and security guarantees.

🔒 Security Features

Memory Safety

  • Address Sanitizer (ASan): Detects buffer overflows, use-after-free, and memory leaks
  • Undefined Behavior Sanitizer (UBsan): Catches undefined behavior at runtime
  • Memory Safety Architecture: Cache-aligned structures with proper bounds checking
  • Static Analysis: Comprehensive clang-tidy, Cppcheck, and PVS-Studio integration

Build Security

  • Reproducible Builds: Deterministic compilation with SOURCE_DATE_EPOCH
  • Hardening Flags: Stack protectors, fortify source, PIE, and RELRO
  • Supply Chain Security: SLSA v1.1 provenance generation
  • Cryptographic Attestation: GitHub build attestations and SBOM generation

Code Quality

  • Nuclear-Level Warnings: Maximum compiler strictness across GCC/Clang/MSVC
  • Fuzzing: Continuous fuzzing with libFuzzer and AFL++
  • Static Analysis: Multiple tools including Semgrep, CodeQL, and custom checks
  • Dependency Scanning: Automated vulnerability detection for all dependencies

🚨 Supported Versions

Version Supported
1.0.x ✅
< 1.0 ❌

📋 Security Standards Compliance

  • SLSA Level 3: Supply chain integrity with cryptographic provenance
  • CWE Top 25: Protection against most dangerous software weaknesses
  • OWASP C/C++: Following OWASP secure coding practices
  • ISO 27001: Information security management alignment

🐛 Vulnerability Reporting

How to Report

DO NOT create public GitHub issues for security vulnerabilities.

Instead, please report security vulnerabilities by emailing:

What to Include

Please include the following information:

  • Description: Clear description of the vulnerability
  • Impact: Potential impact and attack scenarios
  • Reproduction: Step-by-step reproduction instructions
  • Environment: Operating system, compiler version, build configuration
  • Proof of Concept: Code or commands demonstrating the issue

Response Timeline

  • Acknowledgment: Within 24 hours
  • Initial Assessment: Within 72 hours
  • Regular Updates: Every 7 days during investigation
  • Resolution: Target 90 days for critical issues, 180 days for others

🔍 Security Testing

Automated Testing

# Run comprehensive security test suite
./scripts/security-audit.sh

# Run fuzzing tests
cmake -DMETAGRAPH_FUZZING=ON -B build-fuzz
cmake --build build-fuzz
./build-fuzz/tests/fuzz/fuzz_graph

# Memory safety testing
cmake -DMETAGRAPH_SANITIZERS=ON -B build-asan
cmake --build build-asan
ASAN_OPTIONS="abort_on_error=1" ./build-asan/bin/METAGRAPH_unit_tests

Manual Testing Checklist

  • Input validation testing
  • Buffer overflow testing
  • Integer overflow testing
  • Memory corruption testing
  • Race condition testing
  • Cryptographic implementation review

🏆 Security Guarantees

What We Guarantee

  1. Memory Safety: No buffer overflows in release builds
  2. Input Validation: All external inputs are validated
  3. No Hardcoded Secrets: No embedded credentials or keys
  4. Secure Defaults: Security-by-default configuration
  5. Regular Updates: Timely security patches

What We Don't Guarantee

  1. Side-Channel Resistance: Not designed for cryptographic applications
  2. Real-Time Guarantees: Performance may vary under attack
  3. Physical Security: Protection against hardware attacks
  4. Social Engineering: Protection against human factors

🔧 Security Development Lifecycle

Design Phase

  • Threat modeling for new features
  • Security requirements definition
  • Architecture security review

Implementation Phase

  • Secure coding standards enforcement
  • Peer review with security focus
  • Static analysis integration

Testing Phase

  • Security test case development
  • Penetration testing
  • Fuzzing campaigns

Deployment Phase

  • Secure build pipeline
  • Cryptographic signing
  • Provenance generation

📚 Security Resources

Documentation

Tools and Scripts

  • scripts/security-audit.sh: Comprehensive security audit
  • scripts/profile.sh: Performance and security profiling
  • .github/workflows/security.yml: Automated security testing

External Resources

🏅 Security Achievements

  • ✅ Zero known critical vulnerabilities
  • ✅ SLSA Level 3 compliance
  • ✅ 100% memory safety test coverage
  • ✅ Continuous security monitoring
  • ✅ Reproducible builds
  • ✅ Cryptographic provenance

Last Updated: 2025-07-20 Version: 1.0.0 Contact: james@flyingrobots.dev