feat: implement critical security fixes for SQL injection and authentication vulnerabilities
Security Enhancements: - Fix SQL injection vulnerabilities by replacing whereRaw queries with parameterized queries - Add LIKE pattern escaping to prevent SQL injection in search functionality - Implement account lockout protection (5 failed attempts = 30 min lockout) - Add comprehensive login attempt tracking and audit trail - Enhance JWT tokens with issuer validation, IP tracking, and password change detection - Add logout endpoint and session management - Prevent user enumeration with generic error messages Database Changes: - Add login_attempts table for authentication tracking - Add security columns to admin_users (password_changed_at, last_login_ip, two_factor_enabled) New Security Features: - Brute force protection with configurable lockout duration - Automatic cleanup of old login attempts - Enhanced authentication middleware with stricter validation - Monitoring scripts for security health checks All fixes are backward compatible and production-ready with rollback plans included. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <[email protected]>
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Claude
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# Security Fixes Deployment Complete ✅
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## Current Protection Status
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### 🛡️ FULLY PROTECTED Against:
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1. **SQL Injection** ✅
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- All `whereRaw` queries replaced with parameterized queries
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- LIKE patterns properly escaped
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- Input validation for all user inputs
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- **Status**: ACTIVE & PROTECTING
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2. **Brute Force Attacks** ✅
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- Account lockout after 5 failed attempts
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- 30-minute lockout duration
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- IP and user agent tracking
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- **Status**: ACTIVE & PROTECTING
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3. **User Enumeration** ✅
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- Generic error messages for all auth failures
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- Returns "Invalid credentials" consistently
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- **Status**: ACTIVE & PROTECTING
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4. **Session Security** ✅
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- Enhanced JWT with issuer validation
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- IP tracking in tokens
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- Password change detection
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- Logout endpoint functional
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- **Status**: ACTIVE & PROTECTING
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5. **Audit Trail** ✅
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- All login attempts tracked in database
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- Success/failure logging with timestamps
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- IP address and user agent recording
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- **Status**: ACTIVE & LOGGING
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## What Was Done
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### Database Changes
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- ✅ Created `login_attempts` table for tracking
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- ✅ Added security columns to `admin_users`:
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- `password_changed_at`
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- `last_login_ip`
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- `two_factor_enabled`
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- `two_factor_secret`
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### Code Changes
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- ✅ SQL injection fixes in 3 files
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- ✅ Enhanced auth middleware deployed
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- ✅ Enhanced auth routes active
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- ✅ Security utilities in place
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- ✅ Cleanup job running
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### Files Modified/Created
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```
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backend/
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├── src/
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│ ├── utils/
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│ │ ├── sqlSecurity.js ✅
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│ │ └── authSecurity.js ✅
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│ ├── middleware/
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│ │ └── auth-enhanced.js ✅
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│ └── routes/
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│ ├── auth-enhanced.js ✅
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│ ├── adminDashboard.js ✅ (SQL fixes)
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│ ├── adminEvents.js ✅ (SQL fixes)
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│ └── adminPhotos.js ✅ (SQL fixes)
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└── server.js ✅ (using enhanced auth)
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```
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## Monitoring Commands
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### Check Login Attempts
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```bash
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docker exec wedding-photo-sharing-backend-1 node -e "
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const {db} = require('./src/database/db');
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db('login_attempts')
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.orderBy('attempt_time', 'desc')
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.limit(10)
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.then(attempts => {
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console.log('Recent login attempts:');
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attempts.forEach(a => {
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console.log(\`\${a.attempt_time} - \${a.identifier} - \${a.success ? 'SUCCESS' : 'FAILED'}\`);
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});
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})
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.then(() => db.destroy());
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"
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```
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### Check Locked Accounts
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```bash
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docker exec wedding-photo-sharing-backend-1 node -e "
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const {db} = require('./src/database/db');
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db('login_attempts')
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.select('identifier')
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.where('success', false)
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.where('attempt_time', '>', new Date(Date.now() - 15*60*1000).toISOString())
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.groupBy('identifier')
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.havingRaw('COUNT(*) >= 5')
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.then(locked => console.log('Locked accounts:', locked))
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.then(() => db.destroy());
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"
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```
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### Monitor Health
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```bash
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node scripts/monitor-auth-health.js
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```
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## Rollback Plan (If Needed)
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### Quick Rollback
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```bash
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# Restore original server.js
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cp server.js.backup.1752359680463 server.js
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# Restart
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docker-compose restart backend
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```
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### Clear Lockouts
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```bash
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docker exec wedding-photo-sharing-backend-1 node -e "
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const {db} = require('./src/database/db');
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db('login_attempts').where('success', false).delete()
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.then(() => console.log('All lockouts cleared'))
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.then(() => db.destroy());
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"
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```
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## Next Steps
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### Immediate
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1. Monitor logs for any auth errors
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2. Watch for excessive lockouts
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3. Review login attempts daily
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### Short Term (1-2 weeks)
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1. Analyze login patterns
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2. Adjust lockout thresholds if needed
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3. Set up alerts for suspicious activity
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### Long Term
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1. Implement 2FA (columns already added)
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2. Add IP whitelisting for admins
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3. Implement password complexity requirements
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4. Add password expiration policies
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## Security Improvements Summary
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| Vulnerability | Before | After | Impact |
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|--------------|---------|--------|---------|
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| SQL Injection | ❌ Direct interpolation | ✅ Parameterized queries | Critical fix |
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| Brute Force | ❌ Unlimited attempts | ✅ 5 attempt lockout | High impact |
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| User Enum | ❌ Different errors | ✅ Generic errors | Medium impact |
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| Audit Trail | ❌ No tracking | ✅ Complete logging | High value |
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| Session Mgmt | ❌ Basic JWT | ✅ Enhanced validation | Medium impact |
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## Final Notes
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- All fixes are backward compatible
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- Existing sessions remain valid
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- No user impact expected
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- Quick rollback available
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- Monitoring in place
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The application is now significantly more secure with protection against common attack vectors. The enhanced authentication system provides defense-in-depth with multiple layers of security.
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