Siemens InsydeH2O Improper Input Validation (CVE-2022-36448)

high Tenable OT Security Plugin ID 501737

Synopsis

The remote OT asset is affected by a vulnerability.

Description

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.

Solution

Refer to the vendor advisory.

Plugin Details

Severity: High

ID: 501737

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 9/26/2023

Updated: 9/27/2023

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.1

Vector: CVSS2#AV:L/AC:L/Au:M/C:C/I:C/A:C

CVSS Score Source: CVE-2022-36448

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.4

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:insyde:insydeh2o:5.4, cpe:/a:insyde:insydeh2o:5.5

Required KB Items: Tenable.ot/Siemens

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/28/2022

Vulnerability Publication Date: 9/28/2022

Reference Information

CVE: CVE-2022-36448

CWE: 20

Detections

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