QNAP QTS 4.2.x < 4.2.6 build 20170905, 4.3.x < 4.3.3 build 20170727 Command Injection Vulnerability

# SPDX-FileCopyrightText: 2017 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("1.3.6.1.4.1.25623.1.0.107275");
  script_version("2026-02-04T05:55:03+0000");
  script_tag(name:"last_modification", value:"2026-02-04 05:55:03 +0000 (Wed, 04 Feb 2026)");
  script_tag(name:"creation_date", value:"2017-12-13 13:24:30 +0100 (Wed, 13 Dec 2017)");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.0/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:"2019-10-03 00:03:00 +0000 (Thu, 03 Oct 2019)");

  script_cve_id("CVE-2017-10700");

  script_tag(name:"qod_type", value:"remote_banner_unreliable"); # nb: The affected component is Media Streaming Add-On that can be installed / updated separately.

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

  script_name("QNAP QTS 4.2.x < 4.2.6 build 20170905, 4.3.x < 4.3.3 build 20170727 Command Injection Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2017 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 vulnerable to a command injection vulnerability.");

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

  script_tag(name:"insight", value:"The media library service fails to sufficiently sanitise user
  inputs.");

  script_tag(name:"impact", value:"A remote, un-authenticated attacker can provide inputs to this
  service which executes system commands in the context of the 'admin' user of the QNAP device.");

  script_tag(name:"affected", value:"QNAP QTS versions 4.3.x before 4.3.3.0262 build 20170727 and
  4.2.x before QTS 4.2.6 build 20170905.");

  script_tag(name:"solution", value:"Update QTS 4.2.6 build 20170905, QTS 4.3.3.0262 build 20170727
  or later.");

  script_xref(name:"URL", value:"https://www.lateralsecurity.com/downloads/Lateral_Security-Advisory-QNAP_QTS_CVE-2017-10700.pdf");
  script_xref(name:"URL", value:"https://www.qnap.com/en/security-advisory/nas-201709-11");

  exit(0);
}

include("version_func.inc");
include("host_details.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: "20170905");
    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: "20170905"))) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.2.6", fixed_build: "20170905");
    security_message(port: 0, data: report);
    exit(0);
  }
}

if (version =~ "^4\.3\.") {
  if (version_is_less(version: version, test_version: "4.3.3.0262")) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.3.0262", fixed_build: "20170727");
    security_message(port: 0, data: report);
    exit(0);
  }

  if (version_is_equal(version: version, test_version: "4.3.3.0262") &&
            (!build || version_is_less(version: build, test_version: "20170727"))) {
    report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.3.0262", fixed_build: "20170727");
    security_message(port: 0, data: report);
    exit(0);
  }
}

exit(99);