Siemens SITOP UPS1600 Out-of-bounds Write (CVE-2023-26553)

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

include('compat.inc');

if (description)
{
  script_id(502319);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/09/04");

  script_cve_id("CVE-2023-26553");
  script_xref(name:"ICSA", value:"24-165-05");

  script_name(english:"Siemens SITOP UPS1600 Out-of-bounds Write (CVE-2023-26553)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write 
when copying the trailing number. An adversary may be able to attack a 
client ntpq process, but cannot attack ntpd.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # https://cert-portal.siemens.com/productcert/html/ssa-238730.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?8ce1ffb9");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-24-165-05");
  script_set_attribute(attribute:"solution", value:
"Siemens has released new versions for the affected products and recommends to update to the latest versions.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/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-2023-26553");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(787);

  script_set_attribute(attribute:"vuln_publication_date", value:"2024/06/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/06/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/07/22");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:sitop_ups1600_firmware");
  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/Siemens");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Siemens');

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

var vuln_cpes = {
    "cpe:/o:siemens:sitop_ups1600_firmware" :
        {"versionEndExcluding" : "2.5.4", "family" : "SITOP", "orderNumbers" : ["6EP4134-3AB00-2AY0","6EP4136-3AB00-2AY0","6EP4137-3AB00-2AY0","6EP4136-3AC00-2AY0"]}
};

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