Qnap QTS Classic Buffer Overflow (CVE-2023-23363)

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

include('compat.inc');

if (description)
{
  script_id(502553);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/10/17");

  script_cve_id("CVE-2023-23363");

  script_name(english:"Qnap QTS Classic Buffer Overflow (CVE-2023-23363)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A buffer copy without checking size of input vulnerability has been
reported to affect QNAP operating system. If exploited, the
vulnerability possibly allows remote users to execute code via
unspecified vectors. We have already fixed the vulnerability in the
following versions: QTS 4.3.6.2441 build 20230621 and later QTS
4.3.3.2420 build 20230621 and later QTS 4.2.6 build 20230621 and later
QTS 4.3.4.2451 build 20230621 and later

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/en/security-advisory/qsa-23-25");
  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:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-23363");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/09/22");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/09/22");
  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:4.3.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:qts:4.2.0");
  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:4.3.0" :
        {"versionStartIncluding" : "4.3.0", "versionEndExcluding" : "4.3.6.2441", "family" : "QTS"},
    "cpe:/o:qnap:qts:4.2.0" :
        {"versionStartIncluding" : "4.2.0", "versionEndExcluding" : "4.2.6", "family" : "QTS"}
};

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