PT-2022-11623 · Softing · Softing Opc Ua C++ Sdk

Published 2022-03-11 · Updated 2022-03-18 · CVE-2021-42577

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:N/A:H

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

Description The issue arises from a malformed OPC/UA message abort packet, which causes the client to crash due to a NULL pointer dereference.

Recommendations For versions prior to 5.70, update to version 5.70 or later to resolve the issue.

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2021-42577

Affected Products

Softing Opc Ua C++ Sdk

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-42577 · Security Note
• https://softing.com · Vendor Advisory
• https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-42577.pdf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-42577 · Vendor Advisory
• https://t.me/cvenotify/28153 · Telegram Post