Class: Brakeman::CheckDetailedExceptions

Inherits:
BaseCheck
  • Object
show all
Defined in:
lib/brakeman/checks/check_detailed_exceptions.rb

Overview

Check for detailed exceptions enabled for production

Constant Summary collapse

LOCAL_REQUEST = 
s(:call, s(:call, nil, :request), :local?)

Instance Method Summary collapse

Instance Method Details

#check_detailed_exceptions ⇒ Object 



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# File 'lib/brakeman/checks/check_detailed_exceptions.rb', line 27

def check_detailed_exceptions
  tracker.controllers.each do |_name, controller|
    controller.methods_public.each do |method_name, definition|
      src = definition.src
      body = src.body.last
      next unless body

      if method_name == :show_detailed_exceptions? and not safe? body
        if true? body
          confidence = :high
        else
          confidence = :medium
        end

        warn :warning_type => "Information Disclosure",
             :warning_code => :detailed_exceptions,
             :message => msg("Detailed exceptions may be enabled in ", msg_code("show_detailed_exceptions?")),
             :confidence => confidence,
             :code => src,
             :file => definition[:file],
             :cwe_id => [200]
      end
    end
  end
end

#check_local_request_config ⇒ Object 



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# File 'lib/brakeman/checks/check_detailed_exceptions.rb', line 16

def check_local_request_config
  if true? tracker.config.rails[:consider_all_requests_local]
    warn :warning_type => "Information Disclosure",
         :warning_code => :local_request_config,
         :message => "Detailed exceptions are enabled in production",
         :confidence => :high,
         :file => "config/environments/production.rb",
         :cwe_id => [200]
  end
end

#run_check ⇒ Object 



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# File 'lib/brakeman/checks/check_detailed_exceptions.rb', line 11

def run_check
  check_local_request_config
  check_detailed_exceptions
end

#safe?(body) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/brakeman/checks/check_detailed_exceptions.rb', line 53

def safe? body
  false? body or
  body == LOCAL_REQUEST
end