QNAP QTS Multiple OS Command Injection Vulnerabilities (QSA-23-57) - Version Check

# SPDX-FileCopyrightText: 2024 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("1.3.6.1.4.1.25623.1.0.126592");
  script_version("2025-12-11T05:46:19+0000");
  script_tag(name:"last_modification", value:"2025-12-11 05:46:19 +0000 (Thu, 11 Dec 2025)");
  script_tag(name:"creation_date", value:"2024-02-13 10:31:42 +0000 (Tue, 13 Feb 2024)");
  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:C/C:L/I:L/A:L");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2025-12-10 22:13:04 +0000 (Wed, 10 Dec 2025)");

  script_cve_id("CVE-2023-47218", "CVE-2023-50358");

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

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

  script_name("QNAP QTS Multiple OS Command Injection Vulnerabilities (QSA-23-57) - Version Check");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2024 Greenbone AG");
  script_family("General");
  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 OS command injection
  vulnerabilities.");

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

  script_tag(name:"insight", value:"The following vulnerabilities exist:

  - CVE-2023-47218, CVE-2023-50358: QNAP allows to an OS command injection. If exploited, it could
  allow users to execute commands via network.");

  script_tag(name:"affected", value:"QNAP QTS version 4.2.x, 4.3.x, 4.3.4, 4.3.5, 4.3.6, 4.4.x,
  4.5.x, 5.0.0, 5.0.1 and 5.1.x.");

  script_tag(name:"solution", value:"Update to version 4.2.6 build 20240131, 4.3.3.2644 build
  20240131, 4.3.4.2675 build 20240131, 4.3.6.2665 build 20240131, 4.5.4.2627 build 20231225,
  5.1.5.2645 build 20240116 or later.");

  script_xref(name:"URL", value:"https://www.qnap.com/en/security-advisory/qsa-23-57");

  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 =~ "^4\.2") {
  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: "20240131");
    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: "20240131"))) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.2.6", fixed_build: "20240131");
    security_message(port: 0, data: report);
    exit(0);
  }
}

if (version =~ "^4\.3\.[0-3]") {
  if (version_is_less(version: version, test_version:"4.3.3.2644")) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.3.2644", fixed_build: "20240131");
    security_message(port: 0, data: report);
    exit(0);
  }

  if (version_is_equal(version: version, test_version: "4.3.3.2644") &&
     (!build || version_is_less(version: build, test_version: "20240131"))) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.3.2644", fixed_build: "20240131");
    security_message(port: 0, data: report);
    exit(0);
  }
}

if (version =~ "^4\.3\.4") {
  if (version_is_less(version: version, test_version:"4.3.4.2675")) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.4.2675", fixed_build: "20240131");
    security_message(port: 0, data: report);
    exit(0);
  }

  if (version_is_equal(version: version, test_version: "4.3.4.2675") &&
     (!build || version_is_less(version: build, test_version: "20240131"))) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.4.2675", fixed_build: "20240131");
    security_message(port: 0, data: report);
    exit(0);
  }
}

if (version =~ "^4\.3\.[5-6]") {
  if (version_is_less(version: version, test_version:"4.3.6.2665")) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.6.2665", fixed_build: "20240131");
    security_message(port: 0, data: report);
    exit(0);
  }

  if (version_is_equal(version: version, test_version: "4.3.6.2665") &&
     (!build || version_is_less(version: build, test_version: "20240131"))) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.6.2665", fixed_build: "20240131");
    security_message(port: 0, data: report);
    exit(0);
  }
}

if (version =~ "^4\.3\.[5-6]") {
  if (version_is_less(version: version, test_version:"4.3.6.2665")) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.6.2665", fixed_build: "20240131");
    security_message(port: 0, data: report);
    exit(0);
  }

  if (version_is_equal(version: version, test_version: "4.3.6.2665") &&
     (!build || version_is_less(version: build, test_version: "20240131"))) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.6.2665", fixed_build: "20240131");
    security_message(port: 0, data: report);
    exit(0);
  }
}

if (version =~ "^4\.[4-5]") {
  if (version_is_less(version: version, test_version:"4.5.4.2627")) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.5.4.2627", fixed_build: "20231225");
    security_message(port: 0, data: report);
    exit(0);
  }

  if (version_is_equal(version: version, test_version: "4.5.4.2627") &&
     (!build || version_is_less(version: build, test_version: "20231225"))) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.5.4.2627", fixed_build: "20231225");
    security_message(port: 0, data: report);
    exit(0);
  }
}

if (version =~ "^5") {
  if (version_is_less(version: version, test_version: "5.1.5.2645")) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "5.1.5.2645", fixed_build: "20240116");
    security_message(port: 0, data: report);
    exit(0);
  }

  if (version_is_equal(version: version, test_version: "5.1.5.2645") &&
     (!build || version_is_less(version: build, test_version: "20240116"))) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "5.1.5.2645", fixed_build: "20240116");
    security_message(port: 0, data: report);
    exit(0);
  }
}

exit(99);