PT-2023-1357 · Schneider Electric · Somachine Hvac+1

Published 2023-01-10 · Updated 2023-02-07 · CVE-2022-2988

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions SoMachine HVAC versions prior to V2.1.0 EcoStruxure Machine Expert – HVAC versions prior to V1.4.0

Description The issue is related to a lack of protection for service data, which could allow a remote attacker to disclose protected information by sending specific messages to the server through the database server's TCP port. It is also described as an out-of-bounds write vulnerability that could cause sensitive information leakage when accessing a malicious web page from the commissioning software.

Recommendations For SoMachine HVAC versions prior to V2.1.0, update to version V2.1.0 or later to resolve the issue. For EcoStruxure Machine Expert – HVAC versions prior to V1.4.0, update to version V1.4.0 or later to resolve the issue. As a temporary workaround, consider restricting access to the commissioning software to minimize the risk of exploitation.

Fix

Memory Corruption

Information Disclosure

Weakness Enumeration

CWE-787

CWE-200

Related Identifiers

BDU:2023-00686

CVE-2022-2988

Affected Products

Ecostruxure Machine Expert – Hvac

Somachine Hvac

References · 6

• https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-010-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-010-01_EcoStruxure_Machine_Expert_Machine_HVAC_Security_Notification.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-2988 · Security Note
• https://bdu.fstec.ru/vul/2023-00686 · Security Note
• https://osv.dev/vulnerability/CVE-2022-2988 · Vendor Advisory
• https://t.me/cvenotify/43077 · Telegram Post
• https://download.schneider-electric.com/files?p_File_Name=SEVD-2023-010-01_EcoStruxure_Machine_Expert_Machine_HVAC_Security_Notification.pdf · Note