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.
#%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);