CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS
Percentile
32.6%
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. There is an SMM memory corruption vulnerability in the Software SMI handler in the PnpSmm driver.
Insyde BIOS is typically used in RUGGEDCOM APE products and some SIMATIC devices. Please refer to the vendor advisory for a precise list of models concerned.
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(501737);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/09/27");
script_cve_id("CVE-2022-36448");
script_name(english:"Siemens InsydeH2O Improper Input Validation (CVE-2022-36448)");
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 Insyde InsydeH2O with kernel 5.0 through
5.5. There is an SMM memory corruption vulnerability in the Software
SMI handler in the PnpSmm driver.
Insyde BIOS is typically used in RUGGEDCOM APE products
and some SIMATIC devices. Please refer to the vendor advisory for a
precise list of models concerned.
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://binarly.io/advisories/BRLY-2022-023/index.html");
script_set_attribute(attribute:"see_also", value:"https://www.insyde.com/security-pledge");
script_set_attribute(attribute:"see_also", value:"https://www.insyde.com/security-pledge/SA-2022032");
script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:M/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-36448");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_cwe_id(20);
script_set_attribute(attribute:"vuln_publication_date", value:"2022/09/28");
script_set_attribute(attribute:"patch_publication_date", value:"2022/09/28");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/09/26");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:insyde:insydeh2o:5.4");
script_set_attribute(attribute:"cpe", value:"cpe:/a:insyde:insydeh2o:5.5");
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 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:/a:insyde:insydeh2o:5.4" :
{"versionEndExcluding" : "5.44.30", "versionStartIncluding" : "5.4", "family" : "APE1808"},
"cpe:/a:insyde:insydeh2o:5.5" :
{"versionEndExcluding" : "5.52.30", "versionStartIncluding" : "5.5", "family" : "APE1808"}
};
tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_WARNING);