Qnap QTS and QuTS Hero Buffer Copy without Checking Size of Input (CVE-2024-56805)

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

include('compat.inc');

if (description)
{
  script_id(504965);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/02/06");

  script_cve_id("CVE-2024-56805");

  script_name(english:"Qnap QTS and QuTS Hero Buffer Copy without Checking Size of Input (CVE-2024-56805)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A buffer overflow vulnerability has been reported to affect several
QNAP operating system versions. If exploited, the vulnerability could
allow remote attackers who have gained user access to modify memory or
crash processes. We have already fixed the vulnerability in the
following versions: QTS 5.2.4.3079 build 20250321 and later QuTS hero
h5.2.4.3079 build 20250321 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-25-12");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:P");
  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:L/UI:N/S:U/C:N/I:L/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:U");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2024-56805");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(120, 122);

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/06/06");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/06/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/01/16");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:qts:5.2.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:quts_hero:h5.2.0");
  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) 2026 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" :
        {"versionEndIncluding" : "5.2.0.3079", "versionStartIncluding" : "5.2.0", "family" : "QTS"},
    "cpe:/o:qnap:quts_hero" :
        {"versionEndIncluding" : "h5.2.0.3079", "versionStartIncluding" : "h5.2.0", "family" : "QuTShero"}
};

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