Class: Brakeman::CheckTranslateBug

Inherits:
BaseCheck show all
Defined in:
lib/brakeman/checks/check_translate_bug.rb

Overview

Check for vulnerability in translate() helper that allows cross-site scripting groups.google.com/group/rubyonrails-security/browse_thread/thread/2b61d70fb73c7cc5

Constant Summary

Constants inherited from BaseCheck

BaseCheck::CONFIDENCE

Constants included from Util

Util::ALL_PARAMETERS, Util::COOKIES, Util::PARAMETERS, Util::PATH_PARAMETERS, Util::QUERY_PARAMETERS, Util::REQUEST_ENV, Util::REQUEST_PARAMETERS, Util::REQUEST_PARAMS, Util::SESSION

Constants inherited from SexpProcessor

SexpProcessor::VERSION

Instance Attribute Summary

Attributes inherited from BaseCheck

#tracker, #warnings

Attributes inherited from SexpProcessor

#context, #env, #expected

Instance Method Summary collapse

Methods inherited from BaseCheck

#add_result, #initialize, #process_call, #process_cookies, #process_default, #process_if, #process_params

Methods included from Util

#array?, #call?, #camelize, #contains_class?, #context_for, #cookies?, #false?, #file_by_name, #file_for, #hash?, #hash_access, #hash_insert, #hash_iterate, #integer?, #node_type?, #number?, #params?, #pluralize, #regexp?, #request_env?, #request_value?, #result?, #set_env_defaults, #sexp?, #string?, #symbol?, #table_to_csv, #true?, #truncate_table, #underscore

Methods included from ProcessorHelper

#class_name, #process_all, #process_module

Methods inherited from SexpProcessor

#error_handler, #in_context, #initialize, #process, #process_dummy, #scope

Constructor Details

This class inherits a constructor from Brakeman::BaseCheck

Instance Method Details

#run_check ⇒ Object 



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# File 'lib/brakeman/checks/check_translate_bug.rb', line 10

def run_check
  if (version_between?('2.3.0', '2.3.99') and tracker.config[:escape_html]) or
      version_between?('3.0.0', '3.0.10') or
      version_between?('3.1.0', '3.1.1')

    if uses_translate?
      confidence = CONFIDENCE[:high]
    else
      confidence = CONFIDENCE[:med]
    end

    version = tracker.config[:rails_version]

    if version =~ /^3\.1/
      message = "Versions before 3.1.2 have a vulnerability in the translate helper."
    elsif version =~ /^3\.0/
      message = "Versions before 3.0.11 have a vulnerability in translate helper."
    else
      message = "Rails 2.3.x using the rails_xss plugin have a vulnerability in translate helper."
    end

    warn :warning_type => "Cross Site Scripting",
      :message => message,
      :confidence => confidence,
      :file => gemfile_or_environment
  end
end

#uses_translate? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/brakeman/checks/check_translate_bug.rb', line 38

def uses_translate?
  Brakeman.debug "Finding calls to translate() or t()"

  not tracker.find_call(:target => nil, :methods => [:t, :translate]).empty?
end