haloapi-mcp-tools

# Security Review This document contains a comprehensive security review of the HaloPSA MCP Tools package. It identifies potential security risks, provides recommendations, and documents the security measures implemented in the package. ## Security Checklist ### Authentication & Authorization - [x] **Secure Authentication**: OAuth 2.0 Client Credentials grant flow is properly implemented - [x] **Token Management**: Access tokens are securely stored and refreshed when needed - [x] **Token Expiration**: Tokens are checked for expiration before use with a buffer time - [x] **Credentials Protection**: API credentials are stored in environment variables, not hardcoded - [x] **Sensitive Data Handling**: Sensitive data is not logged or exposed in error messages ### Input Validation & Data Sanitization - [x] **Parameter Validation**: All tool parameters are validated against JSON schemas - [x] **Input Sanitization**: Input data is sanitized before use in API requests - [x] **Error Handling**: Proper error handling to prevent information leakage - [x] **API Input Validation**: Validation of input before sending to the HaloPSA API ### Network Security - [x] **HTTPS**: All API communications use HTTPS - [x] **Retry Mechanism**: Secure retry mechanism with exponential backoff - [x] **Rate Limiting**: Respect for API rate limits - [x] **Circuit Breaker**: Prevents cascading failures during API outages ### Dependency Security - [x] **Dependency Auditing**: Regular npm audit to check for vulnerabilities - [x] **Minimal Dependencies**: Use of minimal dependencies to reduce attack surface - [x] **Updated Dependencies**: Dependencies are kept up-to-date ### Code Security - [x] **Code Review**: All code has been reviewed for security issues - [x] **No Hard-coded Secrets**: No secrets or credentials in the codebase - [x] **Secure Defaults**: Secure default configurations - [x] **Error Handling**: Proper error handling to prevent information leakage ### Logging & Monitoring - [x] **Secure Logging**: No sensitive data in logs - [x] **Log Levels**: Appropriate log levels for different environments - [x] **Error Reporting**: Proper error reporting without exposing sensitive information ## Identified Risks & Mitigations ### Risk: API Credential Exposure **Risk Level**: High **Description**: If API credentials are exposed, an attacker could gain access to the HaloPSA system. **Mitigation**: - Store credentials in environment variables - Do not log credentials - Do not include credentials in error messages - Implement proper token management ### Risk: Token Leakage **Risk Level**: High **Description**: If API tokens are leaked, an attacker could use them to make unauthorized requests. **Mitigation**: - Store tokens securely in memory - Do not log tokens - Use short-lived tokens with automatic refresh - Add token expiration checks ### Risk: Insecure Dependencies **Risk Level**: Medium **Description**: Vulnerabilities in dependencies could be exploited. **Mitigation**: - Regular dependency auditing (npm audit) - Minimal dependencies - Keep dependencies up-to-date - Pin dependency versions ### Risk: Inadequate Input Validation **Risk Level**: Medium **Description**: Improper input validation could lead to injection attacks or unexpected behavior. **Mitigation**: - Validate all input against JSON schemas - Sanitize input before use - Implement proper error handling ### Risk: Insecure Communication **Risk Level**: Medium **Description**: Insecure communication could lead to data interception. **Mitigation**: - Use HTTPS for all API communications - Validate SSL certificates - Implement secure retry mechanism ## Security Recommendations 1. **Regular Security Audits**: Conduct regular security audits of the codebase 2. **Dependency Updates**: Keep dependencies up-to-date to address vulnerabilities 3. **Monitor for Vulnerabilities**: Set up automated monitoring for vulnerabilities 4. **Test Input Validation**: Regularly test input validation to ensure it's working correctly 5. **Review Error Handling**: Regularly review error handling to prevent information leakage 6. **Token Management Review**: Regularly review token management to ensure it's secure 7. **Implement Content Security Policy**: Add CSP headers to prevent XSS attacks 8. **Rate Limiting**: Implement rate limiting to prevent abuse ## Reporting Security Issues If you discover a security issue in the HaloPSA MCP Tools package, please report it by sending an email to security@example.com. Do not disclose security issues publicly until they have been addressed by the maintainers. ## Security Updates Security updates will be released as new versions of the package. Users are encouraged to keep the package up-to-date to benefit from security improvements.