Detections
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Siemens SCALANCE LPE9403 Heap-Based Buffer Overflow (CVE-2023-27410)

low Tenable OT Security Plugin ID 501138

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A vulnerability has been identified in SCALANCE LPE9403 (All versions < V2.1). A heap-based buffer overflow vulnerability was found in the `edgebox_web_app` binary. The binary will crash if supplied with a backup password longer than 255 characters. This could allow an authenticated privileged attacker to cause a denial of service.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

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

Siemens has identified the following specific workaround/mitigation users can apply to reduce risk:

- SCALANCE LPE9403 (6GK5998-3GS00-2AC2): Update to V2.1 or later version.

As a general security measure, Siemens strongly recommends protecting network access to devices with appropriate mechanisms. 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 on the Siemens Industrial Security webpage.

For further inquiries on security vulnerabilities in Siemens products, users should contact the Siemens ProductCERT.

For more information, see the associated Siemens security advisory SSA-325383 in HTML and CSAF.

See Also

https://cert-portal.siemens.com/productcert/pdf/ssa-325383.pdf

https://www.cisa.gov/news-events/ics-advisories/icsa-23-131-06

Plugin Details

Severity: Low

ID: 501138

Version: 1.4

Type: remote

Family: Tenable.ot

Published: 5/15/2023

Updated: 3/4/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.4

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

CVSS Score Source: CVE-2023-27410

CVSS v3

Risk Factor: Low

Base Score: 2.7

Temporal Score: 2.4

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

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

Vulnerability Information

CPE: cpe:/o:siemens:scalance_lpe9403_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 5/9/2023

Vulnerability Publication Date: 5/9/2023

Reference Information

CVE: CVE-2023-27410

CWE: 122