Skip to content

Latest commit

 

History

History
45 lines (35 loc) · 3.9 KB

threat-modeling.md

File metadata and controls

45 lines (35 loc) · 3.9 KB

Threat Model Analysis for flutter/devtools

Threat: Unintentional Production Exposure

  • 1. Threat: Unintentional Production Exposure

    • Description: An attacker discovers that DevTools is accessible in a publicly deployed application. They connect to the application using a web browser and the DevTools URL. The attacker can then use all available DevTools features.
    • Impact: Complete compromise of application data and functionality. The attacker can view sensitive information, manipulate the application's state, and potentially discover vulnerabilities in the backend. This is the most severe threat.
    • Affected DevTools Component: All components. The entire DevTools suite becomes accessible.
    • Risk Severity: Critical
    • Mitigation Strategies:
      • Conditional Compilation: Use kReleaseMode, kProfileMode, and kDebugMode to absolutely prevent DevTools from being included in production builds. This is non-negotiable.
      • Automated Build Checks: Implement CI/CD pipeline checks that fail the build if DevTools-related code is detected in a release build.
      • Code Reviews: Mandate code reviews that specifically check for proper conditional compilation.
      • Penetration Testing: Regularly conduct penetration tests to identify exposed DevTools instances.
      • Web Server Configuration (Secondary): Block access to the DevTools port from external networks at the web server level (e.g., firewall rules).

Threat: Sensitive Data Leakage via Logging

  • 2. Threat: Sensitive Data Leakage via Logging

    • Description: The application logs sensitive information (API keys, user tokens, PII) to the console. An attacker, with access to DevTools (due to accidental exposure or another vulnerability), uses the "Logging" tab to view these logs.
    • Impact: Exposure of confidential data, leading to account compromise, identity theft, or other significant harm.
    • Affected DevTools Component: Logging tab.
    • Risk Severity: High
    • Mitigation Strategies:
      • Never Log Sensitive Data: The most important mitigation. Do not log anything that should not be publicly visible.
      • Log Sanitization: Implement a system that automatically redacts or obfuscates sensitive data before logging.
      • Use a Logging Library: Utilize a logging library with features for filtering, masking, and controlling log levels. Configure it to prevent sensitive data from being logged.
      • Log Level Control: Use appropriate log levels and avoid debug for potentially sensitive information.

Threat: API Endpoint Discovery and Exploitation

  • 3. Threat: API Endpoint Discovery and Exploitation

    • Description: An attacker uses the "Network" tab in DevTools to inspect all network requests. They identify internal API endpoints, potentially including those that are not publicly documented or are less secure. The attacker then crafts malicious requests to these endpoints.
    • Impact: Unauthorized access to backend systems, data breaches, or denial-of-service attacks against the backend.
    • Affected DevTools Component: Network tab.
    • Risk Severity: High
    • Mitigation Strategies:
      • Robust API Authentication and Authorization: Implement strong authentication and authorization for all API endpoints, including internal ones.
      • API Gateway: Use an API gateway to manage and secure access to all backend services.
      • Input Validation: Implement strict input validation on the server-side for all API requests.
      • Regular Security Audits: Conduct regular security audits and penetration tests of the API endpoints.