mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
35 lines
1.2 KiB
Ruby
35 lines
1.2 KiB
Ruby
require_relative '../spec_helper'
|
|
|
|
|
|
ruby_version_is ''...'2.8' do
|
|
require 'rexml/document'
|
|
|
|
describe "REXML::Document.new" do
|
|
|
|
it "resists CVE-2014-8080 by raising an exception when entity expansion has grown too large" do
|
|
xml = <<XML
|
|
<?xml version="1.0" encoding="UTF-8" ?>
|
|
<!DOCTYPE x [
|
|
<!ENTITY % x0 "xxxxxxxxxx">
|
|
<!ENTITY % x1 "%x0;%x0;%x0;%x0;%x0;%x0;%x0;%x0;%x0;%x0;">
|
|
<!ENTITY % x2 "%x1;%x1;%x1;%x1;%x1;%x1;%x1;%x1;%x1;%x1;">
|
|
<!ENTITY % x3 "%x2;%x2;%x2;%x2;%x2;%x2;%x2;%x2;%x2;%x2;">
|
|
<!ENTITY % x4 "%x3;%x3;%x3;%x3;%x3;%x3;%x3;%x3;%x3;%x3;">
|
|
<!ENTITY % x5 "%x4;%x4;%x4;%x4;%x4;%x4;%x4;%x4;%x4;%x4;">
|
|
<!ENTITY % x6 "%x5;%x5;%x5;%x5;%x5;%x5;%x5;%x5;%x5;%x5;">
|
|
<!ENTITY % x7 "%x6;%x6;%x6;%x6;%x6;%x6;%x6;%x6;%x6;%x6;">
|
|
<!ENTITY % x8 "%x7;%x7;%x7;%x7;%x7;%x7;%x7;%x7;%x7;%x7;">
|
|
<!ENTITY % x9 "%x8;%x8;%x8;%x8;%x8;%x8;%x8;%x8;%x8;%x8;">
|
|
]>
|
|
<x>
|
|
%x9;%x9;%x9;%x9;%x9;%x9;%x9;%x9;%x9;%x9;
|
|
</x>
|
|
XML
|
|
|
|
-> {
|
|
REXML::Document.new(xml).doctype.entities['x9'].value
|
|
}.should raise_error(REXML::ParseException, /entity expansion has grown too large/)
|
|
end
|
|
|
|
end
|
|
end
|