Siemens (CVE-2022-46143)

low Tenable.ot Plugin ID 500789

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Affected devices do not check the TFTP blocksize correctly. This could allow an authenticated attacker to read from an uninitialized buffer that potentially contains previously allocated data.

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.

See Also

https://cert-portal.siemens.com/productcert/pdf/ssa-413565.pdf

Plugin Details

Severity: Low

ID: 500789

Version: 1.0

Type: remote

Family: Tenable.ot

Published: 1/25/2023

Updated: 1/25/2023

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v3

Risk Factor: Low

Base Score: 2.7

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

Vulnerability Information

CPE: cpe:/o:siemens:scalance_xf204-2ba_firmware:-, cpe:/o:siemens:scalance_xf204-2bca_dna_firmware:-, cpe:/o:siemens:scalance_xf204_dna_firmware:-, cpe:/o:siemens:scalance_xf204_firmware:-

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 12/13/2022

Vulnerability Publication Date: 12/13/2022

Reference Information

CVE: CVE-2022-46143

CWE: 1284