Qnap QTS Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2018-0721)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(502565);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/11/26");

  script_cve_id("CVE-2018-0721");

  script_name(english:"Qnap QTS Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2018-0721)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Buffer Overflow vulnerability in NAS devices. QTS allows attackers to
run arbitrary code. This issue affects: QNAP Systems Inc. QTS version
4.2.6 and prior versions on build 20180711; version 4.3.3 and prior
versions on build 20180725; version 4.3.4 and prior versions on build
20180710.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  script_set_attribute(attribute:"see_also", value:"https://www.qnap.com/zh-tw/security-advisory/nas-201809-20");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-0721");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(119, 120);

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/11/27");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/11/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/10/16");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:qts:4.2.6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:qts:4.3.3");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:qts:4.3.4");
  script_set_attribute(attribute:"generated_plugin", value:"former");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Tenable.ot");

  script_copyright(english:"This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("tenable_ot_api_integration.nasl");
  script_require_keys("Tenable.ot/Qnap");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Qnap');

var asset = tenable_ot::assets::get(vendor:'Qnap');

var vuln_cpes = {
    "cpe:/o:qnap:qts:4.2.6" :
        {"versionStartIncluding" : "4.2.6", "versionEndIncluding" : "4.2.6", "family" : "QTS"},
    "cpe:/o:qnap:qts:4.3.3" :
        {"versionStartIncluding" : "4.3.3", "versionEndIncluding" : "4.3.3", "family" : "QTS"},
    "cpe:/o:qnap:qts:4.3.4" :
        {"versionStartIncluding" : "4.3.4", "versionEndIncluding" : "4.3.4", "family" : "QTS"}
};

tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_HOLE);