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DollhouseMCP

by DollhouseMCP
SECURITY_ROADMAP_STATUS.md7.82 kB
# Security Implementation Roadmap - July 12, 2025 ## 🎯 Overview Comprehensive security implementation tracking for DollhouseMCP project. ## ✅ Completed Security Features ### 1. Content Sanitization (SEC-001) - **Status**: ✅ Complete - **Implementation**: ContentValidator with prompt injection detection - **Coverage**: 20+ injection patterns, sanitization, severity classification - **Tests**: Comprehensive test coverage ### 2. Security Monitoring - **Status**: ✅ Complete - **Implementation**: SecurityMonitor with event logging - **Coverage**: All security events tracked and categorized - **Integration**: Used across all validators ### 3. Path Traversal Protection - **Status**: ✅ Complete - **Implementation**: Path validation and sanitization - **Coverage**: Directory traversal, sensitive file access prevention - **Security**: Blocks `../`, `/etc/passwd`, etc. ### 4. Command Injection Prevention - **Status**: ✅ Complete - **Implementation**: Command validator with pattern detection - **Coverage**: Shell command injection, escape sequence protection - **Validation**: Input sanitization before command execution ### 5. YAML Injection Protection (SEC-003) - **Status**: ✅ Complete - **Implementation**: SecureYamlParser with FAILSAFE_SCHEMA - **Coverage**: Basic YAML deserialization protection - **Schema**: Restricted to basic types only ### 6. ReDoS Protection (Issue #163) - **Status**: ✅ Complete (PR #242 merged) - **Implementation**: RegexValidator with complexity analysis - **Innovation**: JavaScript regex timeout impossible → complexity-based limits - **Coverage**: 5+ pattern analysis types, content size based on risk - **Tests**: 25 comprehensive tests ### 7. Input Length Validation (Issue #165) - **Status**: ✅ Complete (PR #243 merged) - **Implementation**: Length validation before pattern matching - **Coverage**: Multiple content types, configurable limits - **Performance**: < 10ms validation guarantee - **Tests**: 17 comprehensive tests including performance ## 🔄 In Progress ### 8. YAML Security Pattern Expansion (Issue #164) - **Status**: 🔄 PR #246 awaiting review - **Implementation**: 51 comprehensive patterns (vs 13 basic) - **Coverage**: Multi-language deserialization, protocol handlers, Unicode bypass - **Innovation**: Context-specific patterns prevent false positives - **Tests**: 6 new test categories, false positive prevention verified ## ⏳ Next Priority Items ### 9. Rate Limiting for Token Validation (Issue #174) - **Priority**: HIGH (Quick Win - 2-3 hours) - **Status**: Infrastructure ready - `RateLimiter` class exists - **Implementation**: Token bucket algorithm integration - **Files**: `src/security/tokenManager.ts` needs rate limiting - **Benefits**: Prevents brute force token attacks ```typescript // Implementation needed: private rateLimiter = RateLimiter.createForTokenValidation(); async validateToken(token: string): Promise<boolean> { if (!this.rateLimiter.tryConsume()) { throw new SecurityError('Rate limit exceeded'); } // existing validation... } ``` ### 10. Unicode Normalization (Issue #162) - **Priority**: HIGH (3-4 hours) - **Purpose**: Prevent homograph attacks and Unicode bypass - **Implementation**: Normalization before all validation - **Coverage**: Direction override chars, homograph detection - **Integration**: All validators need Unicode preprocessing ### 11. Security Audit Automation (Issue #53) - **Priority**: HIGH (4-6 hours) - **Purpose**: CI/CD security scanning integration - **Tools**: CodeQL, npm audit, OWASP, Snyk - **Automation**: Regular dependency updates, vulnerability scanning - **Monitoring**: Continuous security posture assessment ## 📊 Security Metrics ### Pattern Coverage ``` Original YAML Patterns: 8 Current Content Patterns: 20+ New YAML Patterns: 51 (6x increase) Total Security Patterns: 70+ ``` ### Test Coverage ``` Security Tests: 277+ New Tests This Session: 6 Total Project Tests: 792+ Security Test Categories: 12 ``` ### Issue Resolution ``` Critical Issues: ████████████ 100% (0 remaining) High Priority: ███████░░░░░ 75% (3 remaining, 1 in review) Medium Priority: ████░░░░░░░░ 33% (8 remaining) ``` ## 🛡️ Security Architecture ### Layer 1: Input Validation - ✅ Length validation (all content types) - ✅ Format validation (structured data) - ✅ Size limits (prevent DoS) - ⏳ Unicode normalization (prevent bypass) ### Layer 2: Content Security - ✅ Prompt injection detection - ✅ Command injection prevention - ✅ Path traversal protection - 🔄 YAML deserialization protection (enhanced) ### Layer 3: Pattern Detection - ✅ ReDoS protection (complexity analysis) - 🔄 Comprehensive YAML patterns (51 patterns) - ✅ Multi-language threat detection - ✅ Protocol handler blocking ### Layer 4: Rate Limiting - ⏳ Token validation limiting - ⏳ API endpoint protection - ⏳ Resource usage control ### Layer 5: Monitoring & Response - ✅ Security event logging - ✅ Threat categorization - ⏳ Automated alerting - ⏳ Security dashboards ## 🔧 Implementation Quality Standards ### Code Quality - **Documentation**: Comprehensive inline comments - **Testing**: Each feature has dedicated test suite - **Performance**: All validations < 10ms - **Maintainability**: Categorized, extensible patterns ### Security Principles 1. **Defense in Depth**: Multiple validation layers 2. **Fail Secure**: Default deny, explicit allow 3. **Performance Conscious**: Early detection, minimal overhead 4. **False Positive Aware**: Context-specific patterns 5. **Comprehensive Coverage**: Multi-language, multi-vector ### Development Process - **Feature Branches**: All security work in dedicated branches - **PR Reviews**: Mandatory review for security changes - **Test Requirements**: Must include attack simulation tests - **Documentation**: Security decisions documented ## 🚨 Critical Security Gaps (Addressed This Session) ### Previously Identified 1. ~~Limited YAML patterns~~ → ✅ Fixed: 51 comprehensive patterns 2. ~~False positive issues~~ → ✅ Fixed: Context-specific patterns 3. ~~Missing language coverage~~ → ✅ Fixed: Multi-language deserialization 4. ~~Unicode bypass potential~~ → 🔄 In Progress: PR #246 includes Unicode patterns ### Still Remaining 1. **Rate limiting gaps** → Issue #174 (quick fix available) 2. **Unicode normalization missing** → Issue #162 (medium effort) 3. **Automated security scanning** → Issue #53 (infrastructure needed) ## 📋 Next Session Action Items ### Immediate (15 min) 1. Review PR #246 status 2. Check for any urgent security alerts 3. Verify branch protection settings ### Primary Work (2-3 hours) 1. **Implement Rate Limiting** (Issue #174) - Integration with existing RateLimiter class - Token validation protection - Comprehensive testing ### Follow-up Items 1. Plan Unicode Normalization implementation 2. Design security audit automation 3. Update security documentation ## 🔍 Security Posture Assessment ### Strengths - **Comprehensive input validation** - **Multi-layer defense architecture** - **Performance-optimized implementation** - **Extensive test coverage** - **False positive prevention** ### Areas for Enhancement - **Rate limiting** (infrastructure exists, needs integration) - **Unicode handling** (basic protection, needs normalization) - **Automation** (manual processes, needs CI/CD integration) ### Risk Level - **Current**: LOW (all critical issues resolved) - **Post Rate Limiting**: VERY LOW - **Post Full Implementation**: MINIMAL **Bottom Line**: Security implementation is in excellent shape. Remaining work is enhancement-focused rather than gap-filling.

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