PT-2022-23329 · Siemens · Logo! 8 Bm

Published 2022-10-11 · Updated 2023-07-21 · CVE-2022-36360

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions LOGO! 8 BM (incl. SIPLUS variants) versions prior to V8.3

Description A vulnerability has been identified where affected devices load firmware updates without checking the authenticity. The integrity of the unencrypted firmware is only verified by a non-cryptographic method, which could allow an attacker to manipulate a firmware update and flash it to the device.

Recommendations For versions prior to V8.3, update to version V8.3 or later to resolve the issue. As a temporary workaround, consider restricting access to firmware updates until a patch is applied. Avoid loading firmware updates from untrusted sources to minimize the risk of exploitation.

Fix

Insufficient Verification of Data Authenticity

Weakness Enumeration

CWE-345

CWE-354

Related Identifiers

CVE-2022-36360

Affected Products

Logo! 8 Bm

References · 4

• https://cert-portal.siemens.com/productcert/pdf/ssa-928782.pdf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-36360 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-36360 · Security Note
• https://t.me/cibsecurity/51098 · Telegram Post