SECURITY_ROADMAP_STATUS.md•7.82 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.