spec/ruby/security/cve_2013_4164_spec.rb


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require_relative '../spec_helper'

require 'json'

describe "String#to_f" do
  it "resists CVE-2013-4164 by converting very long Strings to a Float" do
    "1.#{'1'*1000000}".to_f.should be_close(1.1111111111111112, TOLERANCE)
  end
end

describe "JSON.parse" do
  it "resists CVE-2013-4164 by converting very long Strings to a Float" do
    JSON.parse("[1.#{'1'*1000000}]").first.should be_close(1.1111111111111112, TOLERANCE)
  end
end