Skip to content

Latest commit

 

History

History
68 lines (57 loc) · 8.04 KB

attack-surface.md

File metadata and controls

68 lines (57 loc) · 8.04 KB

Attack Surface Analysis for filamentphp/filament

Attack Surface: Authorization Bypass in Resources

  • Description: Unauthorized access to data or actions within Filament resources due to misconfigured or bypassed authorization logic.
  • Filament Contribution: Filament's resource-based structure and its reliance on Laravel's authorization (Policies, Gates) create a centralized and Filament-specific point for authorization configuration. Errors directly within Filament resource definitions impact access control. This is not a general Laravel issue; it's how Filament uses Laravel's features.
  • Example: A canView method in a Filament resource policy incorrectly checks a user's role, allowing users with the wrong role to view sensitive data. This is a direct misconfiguration within the Filament resource definition.
  • Impact: Data breaches, unauthorized data modification/deletion, privilege escalation.
  • Risk Severity: Critical
  • Mitigation Strategies:
    • Filament-Specific Policy Review: Meticulously review and test all can() methods within Filament resource policies. Focus on the logic specific to the Filament resource.
    • Filament-Specific Policy Testing: Use Laravel's policy testing, but focus on testing scenarios through the lens of Filament's resource access. Simulate different user roles interacting with Filament's UI and API.
    • Relationship Authorization (Filament Context): Explicitly check authorization for relationship access and manipulation within Filament's relationship management features. This is a Filament-specific concern.
    • Global Scope Auditing (Filament Usage): Review global scopes, paying particular attention to how they interact with Filament's resource filtering and display.

Attack Surface: File Upload Vulnerabilities (Filament Components)

  • Description: Exploitation of weaknesses in Filament's built-in file upload components, allowing attackers to upload malicious files.
  • Filament Contribution: Filament provides specific file upload components (e.g., FileUpload) and handles the initial file upload process. Misconfiguration or lack of validation within these Filament components creates a direct attack vector. This is distinct from general Laravel file handling.
  • Example: A Filament FileUpload component is configured to allow .php files, and these files are stored in a publicly accessible directory. This is a direct misconfiguration of a Filament-provided component.
  • Impact: Remote code execution (RCE), complete server compromise.
  • Risk Severity: Critical
  • Mitigation Strategies:
    • Filament Component Configuration: Strictly configure Filament's FileUpload component (and related components) to restrict file types, sizes, and storage locations. Use the component's built-in validation options.
    • Server-Side Validation (Filament Context): Implement server-side validation specifically for files uploaded through Filament components, even if the component has client-side validation.
    • Secure Storage (Filament Integration): Ensure that files uploaded via Filament are stored outside the web root and served indirectly through a controller, leveraging Filament's integration with Laravel's file system.
    • File Scanning (Filament Workflow): Integrate file scanning into the Filament upload workflow to detect malicious content before it's stored.

Attack Surface: Vulnerabilities in Custom Actions/Components

  • Description: Security flaws introduced within custom Filament actions, components, or widgets developed by the application team.
  • Filament Contribution: Filament's extensibility encourages developers to create custom code that tightly integrates with the framework. This custom code, because it's part of the Filament ecosystem, is a prime location for vulnerabilities. This is a direct consequence of using Filament's extension points.
  • Example: A custom Filament action that takes user input from a Filament form field and uses it to construct a database query without proper sanitization, leading to SQL injection. This vulnerability exists because of the custom Filament action.
  • Impact: Varies widely, potentially including data breaches, RCE, and other severe consequences.
  • Risk Severity: High (potentially Critical)
  • Mitigation Strategies:
    • Secure Coding (Filament Context): Follow secure coding practices specifically when developing custom Filament elements. Be aware of how Filament handles data and user input.
    • Input Validation (Filament Forms): Thoroughly validate and sanitize all user input that comes from Filament forms or is used within custom Filament logic.
    • Avoid eval() (Filament Extensions): Never use eval() or similar functions within custom Filament code.
    • Code Reviews (Filament Expertise): Conduct code reviews with a focus on how the custom code interacts with Filament's APIs and data handling.
    • Static Analysis (Filament Integration): Use static analysis tools, and consider tools that understand Laravel and Filament's structure.

Attack Surface: Vulnerable Third-Party Plugins

  • Description: Security flaws within third-party Filament plugins installed in the application.
  • Filament Contribution: Filament's plugin ecosystem allows extending functionality, but introduces the risk of using insecure plugins that are directly integrated into the Filament admin panel.
  • Example: A third-party Filament plugin for integrating with a payment gateway has a vulnerability that allows attackers to bypass payment processing. The vulnerability exists within the plugin that is directly used by Filament.
  • Impact: Varies depending on the plugin and vulnerability, potentially including data breaches, financial loss, or RCE.
  • Risk Severity: High (potentially Critical)
  • Mitigation Strategies:
    • Plugin Vetting: Carefully research and vet any third-party Filament plugins before installation. Check the plugin's reputation, code quality, and security history.
    • Regular Updates: Keep all plugins updated to the latest versions to receive security patches.
    • Minimal Plugin Usage: Use only essential plugins to minimize the attack surface.
    • Security Audits: Consider conducting security audits of critical plugins, especially if they handle sensitive data or operations.

Attack Surface: Outdated Filament Version

  • Description: Running an outdated version of the Filament framework itself, which may contain known and patched vulnerabilities specific to Filament's code.
  • Filament Contribution: Filament, as a distinct software package, has its own codebase and potential vulnerabilities. Using an old version means these Filament-specific vulnerabilities are unpatched.
  • Example: A known vulnerability in Filament's resource authorization logic (a Filament-specific feature) is exploited because the application is running an older, unpatched version of Filament.
  • Impact: Varies depending on the specific Filament vulnerability, but could include any of the impacts mentioned above (authorization bypass, RCE, etc.).
  • Risk Severity: High (potentially Critical)
  • Mitigation Strategies:
    • Regular Filament Updates: Update Filament itself to the latest stable version.
    • Filament Security Advisories: Monitor Filament's own security advisories and release notes.
    • Dependency Management (Filament Focus): Use Composer to manage Filament and its dependencies, ensuring that Filament is updated.
    • Testing After Filament Updates: Thoroughly test the application after updating Filament to ensure compatibility.