CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
12.6%
DMA transactions which are targeted at input buffers used for the StorageSecurityCommandDxe software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the StorageSecurityCommandDxe driver could cause SMRAM corruption.
This issue was discovered by Insyde engineering based on the general description provided by
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(501687);
script_version("1.2");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/04/22");
script_cve_id("CVE-2022-34325");
script_name(english:"Siemens InsydeH2O Time-of-check Time-of-use Race Condition (CVE-2022-34325)");
script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
script_set_attribute(attribute:"description", value:
"DMA transactions which are targeted at input buffers used for the
StorageSecurityCommandDxe software SMI handler could cause SMRAM
corruption through a TOCTOU attack. DMA transactions which are
targeted at input buffers used for the software SMI handler used by
the StorageSecurityCommandDxe driver could cause SMRAM corruption.
This issue was discovered by Insyde engineering based on the general
description provided by
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://www.insyde.com/security-pledge/SA-2022057");
script_set_attribute(attribute:"see_also", value:"https://www.insyde.com/security-pledge");
script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:H/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:L/AC:H/PR:L/UI:N/S:C/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-2022-34325");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(367);
script_set_attribute(attribute:"vuln_publication_date", value:"2022/11/14");
script_set_attribute(attribute:"patch_publication_date", value:"2022/11/14");
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:5.2");
script_set_attribute(attribute:"cpe", value:"cpe:/a:insyde:insydeh2o:5.3");
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) 2023-2024 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:5.3" :
{"versionEndExcluding" : "5.36.23", "versionStartIncluding" : "5.3", "family" : "APE1808"},
"cpe:/a:insyde:insydeh2o:5.2" :
{"versionEndExcluding" : "5.27.23", "versionStartIncluding" : "5.2", "family" : "APE1808"},
"cpe:/a:insyde:insydeh2o:5.4" :
{"versionEndExcluding" : "5.44.23", "versionStartIncluding" : "5.4", "family" : "APE1808"},
"cpe:/a:insyde:insydeh2o:5.5" :
{"versionEndExcluding" : "5.52.23", "versionStartIncluding" : "5.5", "family" : "APE1808"}
};
tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_WARNING);
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
12.6%