Remediation Patterns for Common Vulnerabilities

Remediation Patterns for Common Vulnerabilities

Different vulnerability types require specific remediation approaches:

# remediation-patterns.yaml
remediation_patterns:
  base_image_vulnerabilities:
    pattern: "update_base_image"
    steps:
      - identify_current_base
      - find_secure_alternatives
      - test_compatibility
      - update_dockerfile
      - rebuild_and_test
    example:
      before: "FROM ubuntu:18.04"
      after: "FROM ubuntu:22.04"
      
  os_package_vulnerabilities:
    pattern: "targeted_package_update"
    steps:
      - identify_vulnerable_packages
      - determine_fixed_versions
      - add_update_layer
      - minimize_layer_size
    example:
      dockerfile_addition: |
        RUN apt-get update && \
            apt-get install -y --no-install-recommends \
            libssl1.1=1.1.1n-0+deb10u3 \
            curl=7.74.0-1.3+deb11u7 && \
            apt-get clean && \
            rm -rf /var/lib/apt/lists/*
            
  application_dependency_vulnerabilities:
    pattern: "dependency_update"
    approaches:
      direct_update:
        description: "Update vulnerable dependency directly"
        example:
          npm: "npm install [email protected]"
          pip: "pip install django==3.2.18"
          
      transitive_update:
        description: "Update parent dependency to pull in fixed version"
        example:
          npm: "npm update express"  # Updates body-parser transitively
          
      resolution_override:
        description: "Force specific version for transitive dependency"
        example:
          npm_package_json: |
            "resolutions": {
              "minimist": "^1.2.6"
            }
            
  unfixable_vulnerabilities:
    pattern: "compensating_controls"
    approaches:
      runtime_protection:
        - implement_waf_rules
        - add_runtime_monitoring
        - restrict_network_access
        
      minimize_exposure:
        - remove_unnecessary_features
        - disable_vulnerable_functionality
        - implement_strict_input_validation
        
      defense_in_depth:
        - add_additional_authentication
        - implement_encryption
        - enable_audit_logging