WebCalendar SQL Injection (Nov 2005) - Active Check

# SPDX-FileCopyrightText: 2004 Noam Rathaus
# 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

CPE = "cpe:/a:webcalendar:webcalendar";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.15752");
  script_version("2023-08-01T13:29:10+0000");
  script_tag(name:"last_modification", value:"2023-08-01 13:29:10 +0000 (Tue, 01 Aug 2023)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  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_cve_id("CVE-2004-1506", "CVE-2004-1507", "CVE-2004-1508", "CVE-2004-1509",
                "CVE-2004-1510");

  script_tag(name:"qod_type", value:"remote_active");

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

  script_name("WebCalendar SQL Injection (Nov 2005) - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2004 Noam Rathaus");
  script_family("Web application abuses");
  script_dependencies("gb_webcalendar_http_detect.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("webcalendar/http/detected");

  script_tag(name:"summary", value:"The remote installation of WebCalendar may allow an attacker to
  cause an SQL Injection vulnerability in the program allowing an attacker to cause the program to
  execute arbitrary SQL statements.");

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

  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/11651");

  exit(0);
}

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

if (!port = get_app_port(cpe: CPE, service: "www"))
  exit(0);

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

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

url = dir + "/view_entry.php?id=1'&date=1";

req = http_get(port: port, item: url);
res = http_keepalive_send_recv(port: port, data: req, bodyonly: TRUE);
if (!res)
  exit(0);

if (egrep(pattern: "You have an error in your SQL syntax", string: res) ||
    egrep(pattern: "SELECT webcal_entry.cal_id FROM webcal_entry", string: res)) {
  report = http_report_vuln_url(port: port, url: url);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);