HESK < 2.4.1 Multiple XSS Vulnerabilities - Active Check

# Copyright (C) 2011 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# 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.

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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.103198");
  script_version("2022-10-06T10:41:20+0000");
  script_tag(name:"last_modification", value:"2022-10-06 10:41:20 +0000 (Thu, 06 Oct 2022)");
  script_tag(name:"creation_date", value:"2011-08-11 14:25:35 +0200 (Thu, 11 Aug 2011)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");

  script_cve_id("CVE-2011-5287");

  script_tag(name:"qod", value:"50"); # Prone to false positives

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

  script_name("HESK < 2.4.1 Multiple XSS Vulnerabilities - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2011 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_hesk_http_detect.nasl");
  script_mandatory_keys("hesk/http/detected");
  script_require_ports("Services/www", 443);

  script_tag(name:"summary", value:"HESK is prone to multiple cross-site scripting (XSS)
  vulnerabilities because it fails to sufficiently sanitize user-supplied data.");

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

  script_tag(name:"impact", value:"An attacker may leverage these issues to execute arbitrary
  script code in the browser of an unsuspecting user in the context of the affected site. This may
  allow the attacker to steal cookie-based authentication credentials and to launch other attacks.");

  script_tag(name:"affected", value:"HESK prior to version 2.4.1.");

  script_tag(name:"solution", value:"Update to version 2.4.1 or later.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/49008");
  script_xref(name:"URL", value:"http://www.htbridge.ch/advisory/multiple_xss_in_hesk.html");

  exit(0);
}

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

vt_strings = get_vt_strings();

url = dir + "/language/en/text.php/<script>alert('" + vt_strings["lowercase"] + "');</script>";

if (http_vuln_check(port: port, url: url, pattern: "<script>alert\('" + vt_strings["lowercase"] + "'\);</script>",
                    check_header: TRUE)) {
  report = http_report_vuln_url(port: port, url: url);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);