Mitsubishi MELSEC-Q QJ71E71 series Use of a Broken or Risky Cryptographic Algorithm (CVE-2016-8370)

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
##

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(500312);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/09/04");

  script_cve_id("CVE-2016-8370");
  script_xref(name:"ICSA", value:"16-336-03");

  script_name(english:"Mitsubishi MELSEC-Q QJ71E71 series Use of a Broken or Risky Cryptographic Algorithm (CVE-2016-8370)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"An issue was discovered in Mitsubishi Electric Automation MELSEC-Q series Ethernet interface modules QJ71E71-100, all
versions, QJ71E71-B5, all versions, and QJ71E71-B2, all versions. Weakly encrypted passwords are transmitted to a
MELSEC-Q PLC.  

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://ics-cert.us-cert.gov/advisories/ICSA-16-336-03");
  script_set_attribute(attribute:"see_also", value:"http://www.securityfocus.com/bid/94632");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");
  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:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2016-8370");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(327);

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/02/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/02/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/02/07");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:qj71e71-100_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:qj71e71-b5_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mitsubishielectric:qj71e71-b2_firmware:-");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Mitsubishi');

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

var vuln_cpes = {
    "cpe:/o:mitsubishielectric:qj71e71-100_firmware:-" :
        {"family" : "MELSECQ"},
    "cpe:/o:mitsubishielectric:qj71e71-b5_firmware:-" :
        {"family" : "MELSECQ"},
    "cpe:/o:mitsubishielectric:qj71e71-b2_firmware:-" :
        {"family" : "MELSECQ"}
};

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