Westermo Lynx Code Injection (CVE-2023-45735)

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

include('compat.inc');

if (description)
{
  script_id(502183);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/09/04");

  script_cve_id("CVE-2023-45735");
  script_xref(name:"ICSA", value:"24-023-04");

  script_name(english:"Westermo Lynx Code Injection (CVE-2023-45735)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A potential attacker with access to the device would be able 
to execute malicious code that could affect the correct functioning of the device.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # https://www.westermo.com/us/-/media/Files/Cyber-security/westermo_sa_vulnerabilities_in_web_interface_for_weos_products-24-02.pdf
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?b7286bdf");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-24-023-04");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/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:L/UI:R/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-2023-45735");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2024/01/23");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/01/23");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/04/03");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:westermo:l206-f2g_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/Westermo");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Westermo');

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

var vuln_cpes = {
    "cpe:/o:westermo:l206-f2g_firmware" :
        {"family" : "WestermoLynx", "versionStartIncluding" : "4.24", "versionEndIncluding" : "4.24"}
};

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