PHP Coupon Script <= 6.0 SQLi Vulnerability - Active Check

# SPDX-FileCopyrightText: 2011 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("1.3.6.1.4.1.25623.1.0.103043");
  script_version("2023-12-13T05:05:23+0000");
  script_tag(name:"last_modification", value:"2023-12-13 05:05:23 +0000 (Wed, 13 Dec 2023)");
  script_tag(name:"creation_date", value:"2011-01-25 13:20:03 +0100 (Tue, 25 Jan 2011)");
  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:"qod_type", value:"remote_active");

  script_tag(name:"solution_type", value:"WillNotFix");

  script_name("PHP Coupon Script <= 6.0 SQLi Vulnerability - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2011 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");

  script_tag(name:"summary", value:"PHP Coupon Script is prone to an SQL injection (SQLi)
  vulnerability because it fails to properly sanitize user-supplied input.");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");

  script_tag(name:"impact", value:"Attackers may exploit this issue to compromise the application,
  access or modify data, or exploit latent vulnerabilities in the underlying database.");

  script_tag(name:"affected", value:"PHP Coupon Script version 6.0 and probably prior.");

  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_xref(name:"URL", value:"http://www.securityfocus.com/bid/45968");

  exit(0);
}

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

port = http_get_port(default: 80);

if (!http_can_host_php(port: port))
  exit(0);

foreach dir (make_list_unique("/phpcoupon", "/coupon", http_cgi_dirs(port: port))) {

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

  res = http_get_cache(port: port, item: dir + "/index.php");
  if (!res || res !~ "^HTTP/1\.[01] 200" || res !~ ' alt="(PHP )?Coupon Script"')
    continue;

  url = dir + "/index.php?page=viewbus&bus='";

  if (http_vuln_check(port: port, url: url, pattern: "You have an error in your SQL syntax")) {
    report = http_report_vuln_url(port: port, url: url);
    security_message(port: port, data: report);
    exit(0);
  }
}

exit(99);