spec/ruby/security/cve_2019_8321_spec.rb


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require_relative '../spec_helper'

require 'rubygems'
require 'rubygems/user_interaction'

ruby_version_is "2.5.5" do
  describe "CVE-2019-8321 is resisted by" do
    it "sanitising verbose messages" do
      ui = Class.new {
        include Gem::UserInteraction
      }.new
      ui.should_receive(:say).with(".]2;nyan.")
      verbose_before = Gem.configuration.verbose
      begin
        Gem.configuration.verbose = :really_verbose
        ui.verbose("\e]2;nyan\a")
      ensure
        Gem.configuration.verbose = verbose_before
      end
    end
  end
end