Add security checklist and documentation index

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# Security Vulnerability Resolution Checklist
This checklist tracks the remediation of identified security vulnerabilities in API Dash.
---
## 🔴 Critical Priority (Immediate Action Required)
### 1. Unencrypted Credential Storage
- [ ] Install `flutter_secure_storage` and `encrypt` packages
- [ ] Implement `SecureHiveHandler` class
- [ ] Add encryption for environment secrets
- [ ] Encrypt OAuth2 credentials
- [ ] Add encryption for API keys in Hive storage
- [ ] Create data migration script for existing users
- [ ] Test encryption/decryption performance
- [ ] Update user documentation
- [ ] **Estimated Time:** 3-5 days
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
### 2. JavaScript Code Injection
- [ ] Implement `SecureJsRuntimeNotifier` class
- [ ] Add script validation before execution
- [ ] Block dangerous JavaScript patterns
- [ ] Implement execution timeout (5 seconds max)
- [ ] Add user consent dialog for script execution
- [ ] Implement output sanitization
- [ ] Add security warnings in UI
- [ ] Test with malicious script samples
- [ ] **Estimated Time:** 4-6 days
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
### 3. Plaintext OAuth2 Token Storage
- [ ] Implement `SecureOAuth2Storage` class
- [ ] Encrypt OAuth2 access tokens
- [ ] Encrypt OAuth2 refresh tokens
- [ ] Remove plaintext credential files
- [ ] Update `oauth2_utils.dart` to use secure storage
- [ ] Add automatic token rotation
- [ ] Test token expiration handling
- [ ] **Estimated Time:** 2-3 days
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
---
## 🟠 High Priority (Urgent - Within 2 Weeks)
### 4. Input Validation in Code Generation
- [ ] Implement `SecureCodeGenerator` class
- [ ] Add JavaScript string escaping
- [ ] Add HTML escaping for comments
- [ ] Add URL validation and sanitization
- [ ] Validate field names (alphanumeric only)
- [ ] Add security notices to generated code
- [ ] Test with injection payloads
- [ ] **Estimated Time:** 3-4 days
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
### 5. Digest Authentication Replay Protection
- [ ] Add server nonce validation
- [ ] Implement timestamp in nonce
- [ ] Add nonce expiration checking
- [ ] Implement mutual authentication
- [ ] Add replay attack detection
- [ ] Test against replay attack scenarios
- [ ] **Estimated Time:** 2-3 days
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
### 6. ReDoS Protection in Environment Variables
- [ ] Implement `SecureEnvVarUtils` class
- [ ] Add regex complexity limits
- [ ] Add input length validation
- [ ] Implement alternative string matching for large sets
- [ ] Validate variable names before regex
- [ ] Test with ReDoS attack patterns
- [ ] **Estimated Time:** 2 days
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
### 7. Remove Debug Logging of Sensitive Data
- [ ] Audit all `debugPrint` statements
- [ ] Remove token logging in `oauth2_utils.dart`
- [ ] Remove credential logging in `handle_auth.dart`
- [ ] Replace with structured logging
- [ ] Use `logging` package
- [ ] Add log level filtering
- [ ] Test logging in production build
- [ ] **Estimated Time:** 1 day
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
### 8. Certificate Validation
- [ ] Research certificate pinning libraries
- [ ] Implement certificate pinning for sensitive APIs
- [ ] Add custom certificate validation
- [ ] Add self-signed certificate warnings
- [ ] Implement certificate transparency checks
- [ ] Add user control over certificate validation
- [ ] **Estimated Time:** 3-4 days
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
### 9. Deprecate Plaintext OAuth1 Signature
- [ ] Add deprecation warnings in UI
- [ ] Show security notice for plaintext selection
- [ ] Force HTTPS when plaintext is used
- [ ] Add documentation warnings
- [ ] Recommend alternative methods
- [ ] **Estimated Time:** 1 day
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
### 10. Rate Limiting for OAuth Flows
- [ ] Implement rate limiter class
- [ ] Add exponential backoff for retries
- [ ] Limit concurrent auth attempts
- [ ] Add failure tracking
- [ ] Implement temporary lockouts
- [ ] Test rate limiting effectiveness
- [ ] **Estimated Time:** 2-3 days
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
---
## 🟡 Medium Priority (Within 1 Month)
### 11. Improve Random Number Generation
- [ ] Research platform-specific secure RNG
- [ ] Add entropy source mixing
- [ ] Increase nonce size to 32 bytes
- [ ] Implement nonce uniqueness validation
- [ ] Test RNG quality
- [ ] **Estimated Time:** 2 days
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
### 12. Error Message Sanitization
- [ ] Audit all error messages
- [ ] Implement error sanitization helper
- [ ] Use generic user-facing messages
- [ ] Log detailed errors securely
- [ ] Add structured error logging
- [ ] **Estimated Time:** 2 days
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
### 13. Configurable Timeouts
- [ ] Make OAuth timeout configurable
- [ ] Add timeout settings to UI
- [ ] Implement adaptive timeouts
- [ ] Add user timeout extension option
- [ ] **Estimated Time:** 1 day
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
---
## 🟢 Low Priority (Future Release)
### 14. Input Length Limits
- [ ] Add max length to URL fields
- [ ] Add max length to header fields
- [ ] Add max length to body fields
- [ ] Add UI feedback for oversized inputs
- [ ] Implement chunking for large data
- [ ] **Estimated Time:** 1 day
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
---
## Testing & Validation
### Security Testing
- [ ] Create unit tests for encryption
- [ ] Create tests for script validation
- [ ] Test input validation thoroughly
- [ ] Perform penetration testing
- [ ] Run static code analysis
- [ ] Test with OWASP ZAP or similar tools
- [ ] Perform fuzzing on inputs
- [ ] Test rate limiting effectiveness
- [ ] **Estimated Time:** 5-7 days
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
### Code Review
- [ ] Review all security-related code changes
- [ ] Security team code review
- [ ] External security audit (recommended)
- [ ] **Estimated Time:** 2-3 days
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
### Documentation
- [ ] Update security documentation
- [ ] Create user security guide
- [ ] Document encryption mechanisms
- [ ] Add security best practices guide
- [ ] Update API documentation
- [ ] **Estimated Time:** 2-3 days
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
---
## Compliance & Certification
### Standards Compliance
- [ ] Verify OWASP Top 10 compliance
- [ ] Check OAuth 2.1 security BCP compliance
- [ ] Review GDPR requirements
- [ ] Consider SOC 2 requirements
- [ ] **Estimated Time:** 3-5 days
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
### Security Certification
- [ ] Consider security certification
- [ ] Prepare security disclosure policy
- [ ] Set up vulnerability reporting process
- [ ] Create security incident response plan
- [ ] **Estimated Time:** 5-10 days
- [ ] **Assigned To:** ____________
- [ ] **Target Date:** ____________
---
## Deployment Plan
### Pre-Release Checklist
- [ ] All critical vulnerabilities fixed
- [ ] All high priority vulnerabilities fixed
- [ ] Security tests passing
- [ ] Code review complete
- [ ] Documentation updated
- [ ] Migration scripts tested
- [ ] User communication prepared
- [ ] **Target Release Date:** ____________
### Release Notes
- [ ] Document security improvements
- [ ] List breaking changes
- [ ] Provide migration guide
- [ ] Highlight new security features
- [ ] Add security recommendations for users
### Post-Release
- [ ] Monitor for security issues
- [ ] Track user feedback
- [ ] Schedule security review (3 months)
- [ ] Plan next security audit
- [ ] Update vulnerability database
---
## Resource Requirements
### Team
- **Security Lead:** ____________ (20-30 hours)
- **Backend Developer:** ____________ (40-60 hours)
- **Frontend Developer:** ____________ (20-30 hours)
- **QA Engineer:** ____________ (30-40 hours)
- **Technical Writer:** ____________ (10-15 hours)
### Tools & Services
- [ ] `flutter_secure_storage` license: Free/MIT
- [ ] `encrypt` package license: BSD-3-Clause
- [ ] Security testing tools (OWASP ZAP, Burp Suite)
- [ ] External security audit (optional): $$$
- [ ] Code analysis tools subscription
### Timeline Summary
- **Critical Fixes:** 2-3 weeks
- **High Priority:** 3-4 weeks
- **Medium Priority:** 4-6 weeks
- **Low Priority:** 6-8 weeks
- **Testing & Documentation:** 2-3 weeks
- **Total Estimated Time:** 8-12 weeks
---
## Progress Tracking
### Week 1-2: Critical Fixes
- [ ] Start: ____________
- [ ] Completion: ____________
- [ ] Status: ____________
### Week 3-5: High Priority
- [ ] Start: ____________
- [ ] Completion: ____________
- [ ] Status: ____________
### Week 6-8: Medium Priority & Testing
- [ ] Start: ____________
- [ ] Completion: ____________
- [ ] Status: ____________
### Week 9-12: Low Priority & Documentation
- [ ] Start: ____________
- [ ] Completion: ____________
- [ ] Status: ____________
---
## Sign-offs
### Technical Lead
- Name: ____________
- Date: ____________
- Signature: ____________
### Security Lead
- Name: ____________
- Date: ____________
- Signature: ____________
### Product Manager
- Name: ____________
- Date: ____________
- Signature: ____________
---
## Notes & Updates
| Date | Update | By |
|------|--------|-----|
| 2025-10-11 | Initial checklist created | Security Assessment Team |
| | | |
| | | |
---
**Document Version:** 1.0
**Last Updated:** 2025-10-11
**Next Review:** Weekly until completion

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# Security Documentation Index
This directory contains comprehensive security documentation for API Dash. Please review these documents carefully to understand identified vulnerabilities and remediation strategies.
---
## 📚 Document Overview
### 1. [SECURITY_VULNERABILITIES.md](./SECURITY_VULNERABILITIES.md)
**Complete Vulnerability Assessment Report**
- Detailed descriptions of all identified vulnerabilities
- CVSS scores and severity classifications
- Impact analysis and attack vectors
- Evidence and affected code locations
- Compliance considerations (OWASP Top 10, GDPR, OAuth BCP)
**Who should read this:** Security team, developers, project leads
---
### 2. [SECURITY_SUMMARY.md](./SECURITY_SUMMARY.md)
**Quick Reference Guide**
- Executive summary of findings
- Vulnerability count by severity
- Top 3 critical issues
- Quick wins and immediate actions
- Priority implementation roadmap
**Who should read this:** Project managers, team leads, executives
---
### 3. [SECURITY_REMEDIATION.md](./SECURITY_REMEDIATION.md)
**Technical Implementation Guide**
- Code examples for fixing vulnerabilities
- Step-by-step remediation procedures
- Secure implementations of critical features
- Testing strategies
- Migration guide for existing data
**Who should read this:** Developers, security engineers
---
### 4. [SECURITY_CHECKLIST.md](./SECURITY_CHECKLIST.md)
**Project Management & Tracking**
- Detailed task breakdown
- Time estimates for each fix
- Assignment tracking
- Progress monitoring
- Resource requirements
- Timeline and milestones
**Who should read this:** Project managers, team leads
---
## 🚨 Critical Findings Summary
### Immediate Action Required
**3 Critical Vulnerabilities** requiring immediate attention:
1. **Unencrypted Credential Storage** (CVSS 8.5)
- API keys, tokens, and passwords stored in plaintext
- **Action:** Implement encryption for all sensitive data
2. **JavaScript Code Injection** (CVSS 9.0)
- User scripts executed without validation
- **Action:** Add sandboxing and script validation
3. **Plaintext OAuth2 Tokens** (CVSS 8.0)
- OAuth tokens stored without encryption
- **Action:** Encrypt token storage
---
## 📊 Vulnerability Statistics
| Severity | Count | Status |
|----------|-------|--------|
| 🔴 Critical | 3 | Open |
| 🟠 High | 7 | Open |
| 🟡 Medium | 3 | Open |
| 🟢 Low | 1 | Open |
| **Total** | **14** | - |
**Overall Risk Rating:** HIGH
---
## 🎯 Recommended Reading Order
### For First-Time Readers
1. Start with **SECURITY_SUMMARY.md** (5-10 minutes)
2. Review **SECURITY_CHECKLIST.md** for action items (10-15 minutes)
3. Read **SECURITY_VULNERABILITIES.md** for details (30-45 minutes)
4. Consult **SECURITY_REMEDIATION.md** when implementing fixes
### For Developers
1. Read **SECURITY_VULNERABILITIES.md** sections relevant to your work
2. Use **SECURITY_REMEDIATION.md** for implementation guidance
3. Reference **SECURITY_CHECKLIST.md** for assigned tasks
### For Project Managers
1. Read **SECURITY_SUMMARY.md** for overview
2. Review **SECURITY_CHECKLIST.md** for planning
3. Skim **SECURITY_VULNERABILITIES.md** for context
---
## 🔧 Implementation Timeline
### Phase 1: Critical (Weeks 1-2)
- Encrypted credential storage
- JavaScript sandbox implementation
- OAuth2 token encryption
### Phase 2: High Priority (Weeks 3-5)
- Input validation
- Replay attack protection
- ReDoS mitigation
- Remove sensitive logging
- Certificate validation
### Phase 3: Medium Priority (Weeks 6-8)
- Improve RNG
- Error sanitization
- Configurable timeouts
- Testing and documentation
### Phase 4: Low Priority & Enhancements (Weeks 9-12)
- Input length limits
- Best practices implementation
- External security audit
- Compliance certification
**Total Estimated Timeline:** 8-12 weeks
---
## 📋 Quick Start Guide
### For Developers Starting Today
1. **Review Critical Issues**
```bash
# Read the top 3 critical vulnerabilities
cat SECURITY_VULNERABILITIES.md | grep -A 50 "CRITICAL VULNERABILITIES"
```
2. **Install Required Dependencies**
```yaml
# Add to pubspec.yaml
dependencies:
flutter_secure_storage: ^9.0.0
encrypt: ^5.0.3
logging: ^1.2.0
```
3. **Review Code Examples**
- See `SECURITY_REMEDIATION.md` for implementation examples
- Copy secure implementations from remediation guide
- Adapt to your specific use case
4. **Run Security Tests**
```bash
# Create and run security tests
flutter test test/security/
```
5. **Update Checklist**
- Mark completed items in `SECURITY_CHECKLIST.md`
- Update progress tracking
- Note any blockers or issues
---
## 🔍 How to Use This Documentation
### Finding Specific Information
**To find information about a specific file:**
```bash
# Search for filename in vulnerability report
grep -n "filename.dart" SECURITY_VULNERABILITIES.md
```
**To find code examples:**
```bash
# All code examples are in the remediation guide
grep -A 20 "```dart" SECURITY_REMEDIATION.md
```
**To check your assigned tasks:**
```bash
# Search for your name in checklist
grep "Your Name" SECURITY_CHECKLIST.md
```
---
## 📞 Support & Questions
### Internal Resources
- **Security Lead:** [To be assigned]
- **Technical Lead:** [To be assigned]
- **Slack Channel:** #security
- **Email:** security@apidash.dev
### External Resources
- OWASP Top 10: https://owasp.org/Top10/
- Flutter Security: https://flutter.dev/docs/deployment/security
- OAuth Security BCP: https://oauth.net/2/security-best-practice/
- CWE Database: https://cwe.mitre.org/
---
## 📝 Document Updates
This documentation is living and should be updated regularly:
- **Weekly:** Update checklist progress
- **Bi-weekly:** Review and adjust timelines
- **Monthly:** Update vulnerability status
- **Quarterly:** Complete security review
### Changelog
| Date | Update | Author |
|------|--------|--------|
| 2025-10-11 | Initial security assessment completed | Security Team |
| | | |
---
## ⚠️ Important Notes
### Confidentiality
- **These documents contain sensitive security information**
- Do not share outside the development team
- Do not commit to public repositories
- Keep updated versions in secure locations
### Compliance
- Some vulnerabilities may have compliance implications
- Consult legal/compliance team for guidance
- Document all remediation efforts
- Maintain audit trail
### Continuous Security
- Security is an ongoing process
- Schedule regular security reviews
- Stay updated on new vulnerabilities
- Monitor security advisories for dependencies
---
## 🎓 Additional Learning Resources
### Security Training
- OWASP Top 10 Training
- Secure Coding Practices
- OAuth 2.0 Security
- Flutter Security Best Practices
### Recommended Reading
1. "The Web Application Hacker's Handbook"
2. "Securing DevOps" by Julien Vehent
3. "OAuth 2 in Action" by Justin Richer
4. OWASP Testing Guide
### Tools & Resources
- OWASP ZAP - Security testing
- Burp Suite - Vulnerability scanning
- SonarQube - Static code analysis
- Dependabot - Dependency vulnerability scanning
---
## 🏁 Getting Started Checklist
Before beginning remediation work:
- [ ] Read SECURITY_SUMMARY.md
- [ ] Review assigned tasks in SECURITY_CHECKLIST.md
- [ ] Read relevant sections in SECURITY_VULNERABILITIES.md
- [ ] Study code examples in SECURITY_REMEDIATION.md
- [ ] Set up development environment with required dependencies
- [ ] Create feature branch for security fixes
- [ ] Coordinate with team lead on priorities
- [ ] Schedule code review for security changes
- [ ] Plan testing strategy
- [ ] Document any questions or concerns
---
## 📈 Success Metrics
Track progress using these metrics:
- **Vulnerabilities Fixed:** 0/14 (0%)
- **Critical Issues Resolved:** 0/3 (0%)
- **High Priority Resolved:** 0/7 (0%)
- **Test Coverage:** Target 80%+
- **Code Review Completion:** 0%
- **Documentation Updates:** 0%
Update these metrics weekly in team meetings.
---
## 🤝 Contributing
When fixing security vulnerabilities:
1. **Create a branch:** `security/fix-issue-name`
2. **Reference:** Link to vulnerability in commit message
3. **Test thoroughly:** Include security tests
4. **Document changes:** Update affected documentation
5. **Request review:** Security-focused code review
6. **Update checklist:** Mark completed items
---
## 📧 Contact Information
For urgent security matters:
- **Security Team:** security@apidash.dev
- **Emergency Contact:** [To be assigned]
- **Bug Bounty:** [If applicable]
For general questions:
- **GitHub Issues:** Use `security` label
- **Slack:** #security channel
- **Team Lead:** [To be assigned]
---
**Last Updated:** 2025-10-11
**Document Version:** 1.0
**Next Review:** 2025-10-18
---
*This documentation was generated as part of a comprehensive security audit. Please review carefully and prioritize critical vulnerabilities for immediate remediation.*