class Railroader::CheckI18nXSS

Public Instance Methods

has_workaround?() click to toggle source
# File lib/railroader/checks/check_i18n_xss.rb, line 43
def has_workaround?
  tracker.check_initializers(:I18n, :const_defined?).any? do |match|
    match.last.first_arg == s(:lit, :MissingTranslation)
  end
end
run_check() click to toggle source
# File lib/railroader/checks/check_i18n_xss.rb, line 8
def run_check
  if (version_between? "3.0.6", "3.2.15" or version_between? "4.0.0", "4.0.1") and not has_workaround?
    message = "Rails #{rails_version} has an XSS vulnerability in i18n (CVE-2013-4491). Upgrade to Rails version "
    i18n_gem = tracker.config.gem_version :i18n

    if version_between? "3.0.6", "3.1.99" and version_before i18n_gem, "0.5.1"
      message << "3.2.16 or i18n 0.5.1"
    elsif version_between? "3.2.0", "4.0.1" and version_before i18n_gem, "0.6.6"
      message << "4.0.2 or i18n 0.6.6"
    else
      return
    end

    warn :warning_type => "Cross-Site Scripting",
      :warning_code => :CVE_2013_4491,
      :message => message,
      :confidence => :medium,
      :gem_info => gemfile_or_environment(:i18n),
      :link_path => "https://groups.google.com/d/msg/ruby-security-ann/pLrh6DUw998/bLFEyIO4k_EJ"
  end
end
version_before(gem_version, target) click to toggle source
# File lib/railroader/checks/check_i18n_xss.rb, line 30
def version_before gem_version, target
  return true unless gem_version
  gem_version.split('.').map(&:to_i).zip(target.split('.').map(&:to_i)).each do |gv, t|
    if gv < t
      return true
    elsif gv > t
      return false
    end
  end

  false
end