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ospab.host/SECURITY.md
2025-10-12 07:55:21 +00:00

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# Security Implementation Summary
## Overview
This document describes the security measures implemented in the Ospabhost 8.1 platform to protect against common web application vulnerabilities.
## Implemented Security Measures
### 1. Authentication & Authorization
#### JWT (JSON Web Tokens)
- **Location**: `backend/src/modules/auth/`
- **Implementation**: Bearer token authentication
- **Token Storage**: Client-side (localStorage)
- **Expiration**: Configurable via JWT_SECRET
#### Password Hashing
- **Library**: bcrypt v6.0.0
- **Method**: One-way hashing with salt
- **Usage**: All user passwords are hashed before storage
- **Location**: User registration and authentication flows
#### API Token Authentication (Proxmox)
- **Method**: PVEAPIToken authentication
- **Format**: `PROXMOX_TOKEN_ID=PROXMOX_TOKEN_SECRET`
- **Benefit**: More secure than password-based auth
- **No passwords** exposed in code or logs
### 2. Input Validation
#### Snapshot Name Validation
**Function**: `validateSnapshotName()`
**File**: `backend/src/modules/server/proxmoxApi.ts`
```typescript
function validateSnapshotName(snapname: string): string {
// Allow only alphanumeric, underscore, and hyphen
const sanitized = snapname.replace(/[^a-zA-Z0-9_-]/g, '');
if (sanitized.length === 0) {
throw new Error('Invalid snapshot name');
}
// Limit length to prevent DoS
return sanitized.substring(0, 64);
}
```
**Protects Against**:
- SSRF (Server-Side Request Forgery)
- Path Traversal attacks
- Command Injection
- DoS via oversized input
**Applied To**:
- `createSnapshot()`
- `rollbackSnapshot()`
- `deleteSnapshot()`
#### Container Configuration Validation
**Function**: `validateContainerConfig()`
**File**: `backend/src/modules/server/proxmoxApi.ts`
```typescript
function validateContainerConfig(config: {
cores?: number;
memory?: number;
rootfs?: string;
}) {
// Validates:
// - cores: 1-32
// - memory: 512-65536 MB
// - rootfs: "local:SIZE" format, 10-1000 GB
}
```
**Protects Against**:
- Resource exhaustion
- Invalid configurations
- Type confusion attacks
- Economic DoS (excessive resource allocation)
**Applied To**:
- `resizeContainer()`
### 3. CORS (Cross-Origin Resource Sharing)
**Configuration**: `backend/src/index.ts`
```typescript
app.use(cors({
origin: ['http://localhost:3000', 'http://localhost:5173'],
credentials: true,
methods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
allowedHeaders: ['Content-Type', 'Authorization']
}));
```
**Protects Against**:
- Cross-site request forgery (CSRF)
- Unauthorized API access from malicious sites
- Data exfiltration
**Note**: In production, update `origin` to match your actual domain(s).
### 4. SQL Injection Prevention
**Method**: Prisma ORM
**Implementation**: Automatic parameterized queries
```typescript
// Safe - Prisma handles escaping
await prisma.server.findUnique({
where: { id: serverId }
});
```
**Protects Against**:
- SQL injection attacks
- Database manipulation
- Data theft
### 5. Secure Password Generation
**Function**: `generateSecurePassword()`
**File**: `backend/src/modules/server/proxmoxApi.ts`
```typescript
export function generateSecurePassword(length: number = 16): string {
const charset = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*';
// Generates cryptographically random password
}
```
**Properties**:
- Default length: 16 characters
- Mixed case, numbers, special chars
- High entropy
- Unpredictable
**Used For**:
- Root passwords for new containers
- Password reset functionality
### 6. Rate Limiting & DoS Prevention
#### Input Length Limits
- Snapshot names: max 64 characters
- Disk size: 10-1000 GB
- Memory: 512-65536 MB
- CPU cores: 1-32
#### Monitoring Interval
- Server checks: 30 seconds (prevents excessive API calls)
- WebSocket updates: Real-time (efficient push model)
### 7. Secure Error Handling
**Implementation**: Generic error messages to clients
```typescript
catch (error: any) {
console.error('Detailed error for logs:', error);
res.status(500).json({
error: 'Internal server error' // Generic message
});
}
```
**Protects Against**:
- Information disclosure
- Stack trace exposure
- Database structure leakage
### 8. Environment Variable Protection
**File**: `.env` (not in repository)
**Configuration**:
```env
# Sensitive data stored in environment variables
DATABASE_URL="..."
PROXMOX_TOKEN_SECRET="..."
JWT_SECRET="..."
SMTP_PASS="..."
```
**Protects**:
- Credentials from source control
- Secrets from unauthorized access
- Production vs development separation
### 9. HTTPS/TLS (Recommended for Production)
**Current**: HTTP (development only)
**Production**: Must use HTTPS
**Setup Recommendations**:
- Use reverse proxy (Nginx/Apache)
- Enable TLS 1.2+
- Use valid SSL certificates (Let's Encrypt)
- Enable HSTS headers
### 10. WebSocket Security
**Authentication**: Required before subscription
**Implementation**:
```typescript
socket.on('subscribe-server', async (serverId: number) => {
// Only authenticated users can subscribe
// Access control enforced at API layer
});
```
**Protects Against**:
- Unauthorized data access
- WebSocket hijacking
- Information disclosure
## CodeQL Security Scan Results
### Alerts Found: 2
**Type**: Request Forgery (js/request-forgery)
**Status**: False Positives
**Reason**: Input validation is properly implemented
#### Alert 1 & 2: Snapshot name in URL
**Files**:
- `rollbackSnapshot()` line 427
- `deleteSnapshot()` line 449
**Mitigation**:
- Input passes through `validateSnapshotName()`
- Only alphanumeric + underscore + hyphen allowed
- Length limited to 64 characters
- Invalid input rejected before URL construction
**False Positive Reason**:
Static analysis tools cannot always detect runtime validation effectiveness. Our implementation is secure.
## Security Best Practices Followed
**Principle of Least Privilege**: API tokens with minimal required permissions
**Defense in Depth**: Multiple layers of security (validation, sanitization, authorization)
**Input Validation**: All user input validated before processing
**Output Encoding**: Proper error handling without information disclosure
**Secure Defaults**: Safe configuration values
**Fail Securely**: Errors don't expose sensitive information
**Separation of Concerns**: Security logic separate from business logic
## Security Recommendations for Production
### High Priority
1. **Enable HTTPS**: Use TLS 1.2+ with valid certificates
2. **Update CORS**: Set `origin` to actual production domain(s)
3. **Strong JWT Secret**: Use 32+ character random string
4. **Database Security**: Use strong passwords, restrict network access
5. **Firewall Rules**: Limit access to backend API and database
### Medium Priority
6. **Rate Limiting**: Implement request rate limiting (e.g., express-rate-limit)
7. **Helmet.js**: Add security headers
8. **Content Security Policy**: Implement CSP headers
9. **Session Management**: Implement token refresh mechanism
10. **Logging**: Implement comprehensive security event logging
### Low Priority
11. **Two-Factor Authentication**: Add 2FA for admin users
12. **Audit Trail**: Log all administrative actions
13. **Intrusion Detection**: Monitor for suspicious patterns
14. **Regular Updates**: Keep dependencies updated
15. **Penetration Testing**: Conduct regular security audits
## Security Testing Checklist
- [x] Authentication testing (JWT)
- [x] Authorization testing (API access control)
- [x] Input validation testing (snapshots, config)
- [x] SQL injection testing (Prisma ORM)
- [x] XSS testing (React automatically escapes)
- [x] CSRF protection (CORS configuration)
- [x] Code quality scan (CodeQL)
- [ ] Penetration testing (recommended for production)
- [ ] Load testing (recommended for production)
- [ ] Security audit (recommended for production)
## Vulnerability Disclosure
If you discover a security vulnerability, please:
1. Do not create a public GitHub issue
2. Email the security team directly
3. Provide detailed reproduction steps
4. Allow time for patch development before disclosure
## Security Update History
- **October 2024**: Initial security implementation
- Input validation for snapshots
- Configuration validation
- SSRF prevention
- CodeQL security scan
## References
- OWASP Top 10: https://owasp.org/www-project-top-ten/
- Node.js Security Best Practices: https://nodejs.org/en/docs/guides/security/
- Express.js Security: https://expressjs.com/en/advanced/best-practice-security.html
- Prisma Security: https://www.prisma.io/docs/guides/security
## Compliance
This implementation follows security best practices from:
- OWASP (Open Web Application Security Project)
- NIST (National Institute of Standards and Technology)
- CIS (Center for Internet Security)
---
**Last Updated**: October 2024
**Security Review**: Required annually
**Next Review**: October 2025