class Brakeman::CheckTranslateBug

Check for vulnerability in translate() helper that allows cross-site scripting

Public Instance Methods

run_check() click to toggle source
# File lib/brakeman/checks/check_translate_bug.rb, line 9
def run_check
  return if lts_version? '2.3.18.6'
  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')

    confidence = if uses_translate?
      :high
    else
      :medium
    end

    description = [" has a vulnerability in the translate helper with keys ending in ", msg_code("_html")]

    message = if rails_version =~ /^3\.1/
                msg(msg_version(rails_version), *description, ". Upgrade to ", msg_version("3.1.2"))
              elsif rails_version =~ /^3\.0/
                msg(msg_version(rails_version), *description, ". Upgrade to ", msg_version("3.0.11"))
              else
                msg("Rails 2.3.x using the rails_xss plugin", *description)
              end

    warn :warning_type => "Cross-Site Scripting",
      :warning_code => :translate_vuln,
      :message => message,
      :confidence => confidence,
      :gem_info => gemfile_or_environment,
      :link_path => "http://groups.google.com/group/rubyonrails-security/browse_thread/thread/2b61d70fb73c7cc5",
      :cwe_id => [79]
  end
end
uses_translate?() click to toggle source
# File lib/brakeman/checks/check_translate_bug.rb, line 41
def uses_translate?
  Brakeman.debug "Finding calls to translate() or t()"

  tracker.find_call(:target => nil, :methods => [:t, :translate]).any?
end