PT-2022-7297 · Unknown · Opc Ua .Net Standard Stack

Published 2022-06-16 · Updated 2022-06-27 · CVE-2022-29862

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions OPC UA .NET Standard Stack version 1.04.368

Description The issue is related to an infinite loop in the OPC UA .NET Standard Stack, which can be triggered by a remote attacker sending a crafted message. This can cause the application to hang, resulting in a denial of service. The vulnerability is associated with the implementation of the data transmission specification in industrial networks.

Recommendations For OPC UA .NET Standard Stack version 1.04.368, consider applying a patch or fix to resolve the infinite loop issue, if available. As a temporary workaround, consider implementing measures to detect and prevent crafted messages from being processed, such as filtering or validating incoming messages to prevent the application from hanging.

Fix

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

BDU:2024-02521

CVE-2022-29862

GHSA-5Q2V-6J86-5H9V

Affected Products

Opc Ua .Net Standard Stack

References · 9

• https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-29862.pdf · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-5q2v-6j86-5h9v · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-29862 · Security Note
• https://opcfoundation.org/security · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-02521 · Security Note
• https://osv.dev/vulnerability/CVE-2022-29862 · Vendor Advisory
• https://github.com/OPCFoundation/UA-.NETStandard · Note
• https://github.com/OPCFoundation/UA-.NETStandard/security/advisories/GHSA-5q2v-6j86-5h9v · Note
• https://t.me/cibsecurity/44655 · Telegram Post