ruby--ruby/spec/ruby/security/cve_2019_8321_spec.rb

require_relative '../spec_helper'

require 'rubygems'
require 'rubygems/user_interaction'

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