PT-2022-6534 · Schneider Electric · Ecostruxure Operator Terminal Expert+1

Published 2022-10-11 · Updated 2022-11-05 · CVE-2022-41666

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions EcoStruxure Operator Terminal Expert versions 3.3 Hotfix 1 or prior Pro-face BLUE versions 3.3 Hotfix 1 or prior

Description A vulnerability exists that allows adversaries with local user privileges to load a malicious DLL, which could lead to execution of malicious code. This issue is related to improper verification of cryptographic signatures.

Recommendations For EcoStruxure Operator Terminal Expert versions 3.3 Hotfix 1 or prior, update to a version later than 3.3 Hotfix 1. For Pro-face BLUE versions 3.3 Hotfix 1 or prior, update to a version later than 3.3 Hotfix 1. As a temporary workaround, consider restricting the ability to load DLLs until a patch is available.

Fix

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

BDU:2023-02123

CVE-2022-41666

Affected Products

Ecostruxure Operator Terminal Expert

Pro-Face Blue

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2022-41666 · Security Note
• https://osv.dev/vulnerability/CVE-2022-41666 · Vendor Advisory
• https://se.com/ww/en/download/document/SEVD-2022-284-01 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-02123 · Security Note
• https://t.me/cvenotify/37032 · Telegram Post
• https://vuldb.com/ru/?id.212943 · Note
• https://t.me/cibsecurity/52549 · Telegram Post