QNAP QTS Multiple Vulnerabilities (QSA-20-01)

# SPDX-FileCopyrightText: 2020 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

CPE = "cpe:/o:qnap:qts";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.144175");
  script_version("2023-09-27T05:05:31+0000");
  script_tag(name:"last_modification", value:"2023-09-27 05:05:31 +0000 (Wed, 27 Sep 2023)");
  script_tag(name:"creation_date", value:"2020-06-26 08:41:33 +0000 (Fri, 26 Jun 2020)");
  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:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-11-13 17:38:00 +0000 (Fri, 13 Nov 2020)");

  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
  script_cve_id("CVE-2018-19943", "CVE-2018-19949", "CVE-2018-19953");

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

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

  script_name("QNAP QTS Multiple Vulnerabilities (QSA-20-01)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2020 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_qnap_nas_http_detect.nasl");
  script_mandatory_keys("qnap/nas/qts/detected");

  script_tag(name:"summary", value:"QNAP QTS is prone to multiple vulnerabilities in File Station.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The following flaws in File Station exist:

  - CVE-2018-19943, CVE-2018-19953: Multiple cross-site scripting (XSS) vulnerabilities

  - CVE-2018-19949: Command injection vulnerability");

  script_tag(name:"affected", value:"QNAP QTS versions 4.2.6, 4.3.3, 4.3.4, 4.3.6, 4.4.1 and 4.4.2.");

  script_tag(name:"solution", value:"Update to version 4.2.6 build 20200421, 4.3.3.1252 build 20200409,
  4.3.4.1282 build 20200408, 4.3.6.1263 build 20200330, 4.4.1.1261 build 20200330, 4.4.2.1270 build
  20200410 or later.");

  script_xref(name:"URL", value:"https://www.qnap.com/en/security-advisory/qsa-20-01");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if (!version = get_app_version(cpe: CPE, nofork: TRUE))
  exit(0);

build = get_kb_item("qnap/nas/qts/build");

if (version_is_less(version: version, test_version: "4.2.6")) {
  report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.2.6", fixed_build: "20200421");
  security_message(port: 0, data: report);
  exit(0);
}

if (version_is_equal(version: version, test_version: "4.2.6") &&
          (!build || version_is_less(version: build, test_version: "20200421"))) {
  report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.2.6", fixed_build: "20200421");
  security_message(port: 0, data: report);
  exit(0);
}

if (version =~ "^4\.3\.[0123]") {
  if (version_is_less(version: version, test_version: "4.3.3.1252")) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.3.1252", fixed_build: "20200409");
    security_message(port: 0, data: report);
    exit(0);
  }

  if(version_is_equal(version: version, test_version: "4.3.3.1252") &&
            (!build || version_is_less(version: build, test_version: "20200409"))) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.3.1252", fixed_build: "20200409");
    security_message(port: 0, data: report);
    exit(0);
  }
}

if (version =~ "^4\.3\.4") {
  if (version_is_less(version: version, test_version: "4.3.4.1282")) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.4.1282", fixed_build: "20200408");
    security_message(port: 0, data: report);
    exit(0);
  }

  if (version_is_equal(version: version, test_version: "4.3.4.1282") &&
            (!build || version_is_less(version: build, test_version: "20200408"))) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.4.1282", fixed_build: "20200408");
    security_message(port: 0, data: report);
    exit(0);
  }
}

if (version =~ "^4\.3\.[56]") {
  if (version_is_less(version: version, test_version: "4.3.6.1263")) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.6.1263", fixed_build: "20200330");
    security_message(port: 0, data: report);
    exit(0);
  }

  if (version_is_equal(version: version, test_version: "4.3.6.1263") &&
            (!build || version_is_less(version: build, test_version: "20200330"))) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.6.1263", fixed_build: "20200330");
    security_message(port: 0, data: report);
    exit(0);
  }
}

if (version =~ "^4\.4\.[01]") {
  if (version_is_less(version: version, test_version: "4.4.1.1261")) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.4.1.1261", fixed_build: "20200330");
    security_message(port: 0, data: report);
    exit(0);
  }

  if (version_is_equal(version: version, test_version: "4.4.1.1261") &&
            (!build || version_is_less(version: build, test_version: "20200330"))) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.4.1.1261", fixed_build: "20200330");
    security_message(port: 0, data: report);
    exit(0);
  }
}

if (version =~ "^4\.4\.2") {
  if (version_is_less(version: version, test_version: "4.4.2.1270")) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.4.2.1270", fixed_build: "20200410");
    security_message(port: 0, data: report);
    exit(0);
  }

  if (version_is_equal(version: version, test_version: "4.4.2.1270") &&
            (!build || version_is_less(version: build, test_version: "20200410"))) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.4.2.1270", fixed_build: "20200410");
    security_message(port: 0, data: report);
    exit(0);
  }
}

exit(99);