PT-2022-11582 · Softing · Softing Opc Ua C++ Sdk

Published 2022-03-11 · Updated 2022-03-18 · CVE-2021-42262

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Softing OPC UA C++ SDK versions prior to 5.70

Description An issue was discovered where an invalid XML element in the type dictionary causes the OPC/UA client to crash due to an out-of-memory condition.

Recommendations For versions prior to 5.70, update to version 5.70 or later to resolve the issue. As a temporary workaround, consider restricting access to the type dictionary to minimize the risk of exploitation.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2021-42262

Affected Products

Softing Opc Ua C++ Sdk

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-42262 · Security Note
• https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-42262.pdf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-42262 · Vendor Advisory
• https://industrial.softing.com/us/solutions/opc-and-opc-ua.html · Vendor Advisory
• https://t.me/cvenotify/28154 · Telegram Post