Siemens SCALANCE W1750D Classic Buffer Overflow (CVE-2022-37891)

critical Tenable OT Security Plugin ID 501002

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Unauthenticated buffer overflow vulnerabilities exist within the Aruba InstantOS and ArubaOS 10 web management interface. Successful exploitation results in the execution of arbitrary commands on the underlying operating system of Aruba InstantOS 6.4.x: 6.4.4.8-4.2.4.20 and below; Aruba InstantOS 6.5.x: 6.5.4.23 and below; Aruba InstantOS 8.6.x: 8.6.0.18 and below; Aruba InstantOS 8.7.x: 8.7.1.9 and below;
Aruba InstantOS 8.10.x: 8.10.0.1 and below; ArubaOS 10.3.x: 10.3.1.0 and below; Aruba has released upgrades for Aruba InnstantOS that address these security vulnerabilities.

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Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

Siemens identified the following specific workarounds and mitigations to reduce risk:

- CVE-2022-37885, CVE-2022-37886, CVE-2022-37887, CVE-2022-37888, and CVE-2022-37889: Enable CPSec via the cluster- security command.
- CVE-2022-37890, CVE-2022-37891, CVE-2022-37892, CVE-2022-37895, and CVE-2022-37896: Restrict the web-based management interface to a dedicated layer 2 segment/VLAN and/or control the interface by firewall policies at layer 3 and above.
- CVE-2022-37893: Restrict the command line interface to a dedicated layer 2 segment/VLAN and/or control the interface by firewall policies at layer 3 and above.

As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens' operational guidelines for industrial security and following the recommendations in the product manuals.

Additional information on Industrial Security by Siemens can be found at the Siemens website.

For more information, see the associated Siemens security advisory SSA-506569 in HTML and CSAF.

Siemens SCALANCE W1750D is a brand-labeled device from Aruba. For more information regarding these vulnerabilities, see the Aruba security advisory ARUBA-PSA-2022-014.

Plugin Details

Severity: Critical

ID: 501002

Version: 1.4

Type: remote

Family: Tenable.ot

Published: 4/11/2023

Updated: 9/4/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2022-37891

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:siemens:scalance_w1750d_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 10/7/2022

Vulnerability Publication Date: 10/7/2022

Reference Information

CVE: CVE-2022-37891

CWE: 120

ICSA: 22-314-10

Detections

Analytics