Tridium Niagara Improper Authentication (CVE-2017-16748)

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

include('compat.inc');

if (description)
{
  script_id(500895);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/04");

  script_cve_id("CVE-2017-16748");

  script_name(english:"Tridium Niagara Improper Authentication (CVE-2017-16748)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"An attacker can log into the local Niagara platform (Niagara AX
Framework Versions 3.8 and prior or Niagara 4 Framework Versions 4.4
and prior) using a disabled account name and a blank password,
granting the attacker administrator access to the Niagara system.

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:"http://www.securityfocus.com/bid/105101");
  script_set_attribute(attribute:"see_also", value:"https://ics-cert.us-cert.gov/advisories/ICSA-18-191-03");
  script_set_attribute(attribute:"see_also", value:"https://ics-cert.us-cert.gov/advisories/ICSA-19-022-01");
  script_set_attribute(attribute:"solution", value:
"The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original
can be found at CISA.gov.

Tridium has recommended the following mitigation:

- Niagara AX v3.8: Apply Update 4 release (3.8.401), and
- Niagara 4 Framework v4.4: Apply Update 1 release (4.4.92.2.1).

For more information about these updates, please refer to the provided link:

https://www.tridium.com/~/media/tridium/library/documents/niagara%20ax%2038%20update%204niagara%2044%20update%201.ashx?l
a=en");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:3.0/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-2017-16748");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_cwe_id(287);

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/08/20");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/08/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/03/21");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:tridium:niagara");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:tridium:niagara_ax_framework");
  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) 2023-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/assetBag');

var asset = tenable_ot::assets::get(hasAssetBag:TRUE);

var vuln_cpes = {
  "cpe:/a:tridium:niagara" :
      {"versionEndIncluding" : "4.4", "versionStartIncluding" : "4.0", "family" : "Niagara"},
  "cpe:/a:tridium:niagara_ax_framework" :
      {"versionEndIncluding" : "3.8", "family" : "Niagara"}
};

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