picpeak/backend/SECURITY_FIXES_COMPLETE.md

Security Fixes Deployment Complete ✅

Current Protection Status

🛡️ FULLY PROTECTED Against:

1. SQL Injection ✅

   • All whereRaw queries replaced with parameterized queries
   • LIKE patterns properly escaped
   • Input validation for all user inputs
   • Status: ACTIVE & PROTECTING

2. Brute Force Attacks ✅

   • Account lockout after 5 failed attempts
   • 30-minute lockout duration
   • IP and user agent tracking
   • Status: ACTIVE & PROTECTING

3. User Enumeration ✅

   • Generic error messages for all auth failures
   • Returns "Invalid credentials" consistently
   • Status: ACTIVE & PROTECTING

4. Session Security ✅

   • Enhanced JWT with issuer validation
   • IP tracking in tokens
   • Password change detection
   • Logout endpoint functional
   • Status: ACTIVE & PROTECTING

5. Audit Trail ✅

   • All login attempts tracked in database
   • Success/failure logging with timestamps
   • IP address and user agent recording
   • Status: ACTIVE & LOGGING

What Was Done

Database Changes

• ✅ Created login_attempts table for tracking
• ✅ Added security columns to admin_users:
  • password_changed_at
  • last_login_ip
  • two_factor_enabled
  • two_factor_secret

Code Changes

• ✅ SQL injection fixes in 3 files
• ✅ Enhanced auth middleware deployed
• ✅ Enhanced auth routes active
• ✅ Security utilities in place
• ✅ Cleanup job running

Files Modified/Created

backend/
├── src/
│   ├── utils/
│   │   ├── sqlSecurity.js ✅
│   │   └── authSecurity.js ✅
│   ├── middleware/
│   │   └── auth-enhanced.js ✅
│   └── routes/
│       ├── auth-enhanced.js ✅
│       ├── adminDashboard.js ✅ (SQL fixes)
│       ├── adminEvents.js ✅ (SQL fixes)
│       └── adminPhotos.js ✅ (SQL fixes)
└── server.js ✅ (using enhanced auth)

Monitoring Commands

Check Login Attempts

docker exec wedding-photo-sharing-backend-1 node -e "
  const {db} = require('./src/database/db');
  db('login_attempts')
    .orderBy('attempt_time', 'desc')
    .limit(10)
    .then(attempts => {
      console.log('Recent login attempts:');
      attempts.forEach(a => {
        console.log(\`\${a.attempt_time} - \${a.identifier} - \${a.success ? 'SUCCESS' : 'FAILED'}\`);
      });
    })
    .then(() => db.destroy());
"

Check Locked Accounts

docker exec wedding-photo-sharing-backend-1 node -e "
  const {db} = require('./src/database/db');
  db('login_attempts')
    .select('identifier')
    .where('success', false)
    .where('attempt_time', '>', new Date(Date.now() - 15*60*1000).toISOString())
    .groupBy('identifier')
    .havingRaw('COUNT(*) >= 5')
    .then(locked => console.log('Locked accounts:', locked))
    .then(() => db.destroy());
"

Monitor Health

node scripts/monitor-auth-health.js

Rollback Plan (If Needed)

Quick Rollback

# Restore original server.js
cp server.js.backup.1752359680463 server.js

# Restart
docker-compose restart backend

Clear Lockouts

docker exec wedding-photo-sharing-backend-1 node -e "
  const {db} = require('./src/database/db');
  db('login_attempts').where('success', false).delete()
    .then(() => console.log('All lockouts cleared'))
    .then(() => db.destroy());
"

Next Steps

Immediate

1. Monitor logs for any auth errors
2. Watch for excessive lockouts
3. Review login attempts daily

Short Term (1-2 weeks)

1. Analyze login patterns
2. Adjust lockout thresholds if needed
3. Set up alerts for suspicious activity

Long Term

1. Implement 2FA (columns already added)
2. Add IP whitelisting for admins
3. Implement password complexity requirements
4. Add password expiration policies

Security Improvements Summary

Vulnerability	Before	After	Impact
SQL Injection	❌ Direct interpolation	✅ Parameterized queries	Critical fix
Brute Force	❌ Unlimited attempts	✅ 5 attempt lockout	High impact
User Enum	❌ Different errors	✅ Generic errors	Medium impact
Audit Trail	❌ No tracking	✅ Complete logging	High value
Session Mgmt	❌ Basic JWT	✅ Enhanced validation	Medium impact

Final Notes

• All fixes are backward compatible
• Existing sessions remain valid
• No user impact expected
• Quick rollback available
• Monitoring in place

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.