What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2022-37012.

What is the severity level of CVE-2022-37012?

The severity level of CVE-2022-37012 is high with a CVSS score of 7.5.

What is the affected software for CVE-2022-37012?

The affected software is the Unified Automation OPC UA C++ Demo Server version 1.7.6-537.

Is authentication required to exploit CVE-2022-37012?

No, authentication is not required to exploit CVE-2022-37012.

How can I fix the vulnerability CVE-2022-37012?

To fix the vulnerability CVE-2022-37012, it is recommended to update to a patched version of the Unified Automation OPC UA C++ Demo Server.

Vulnerability/
CVE-2022-37012

high

7.5

CWE

911

29/3/2023

3/8/2024

CVE-2022-37012: (Pwn2Own) Unified Automation OPC UA C++ Improper Update of Reference Count Denial-of-Service Vulnerability

First published: Wed Mar 29 2023(Updated: )

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537. Authentication is not required to exploit this vulnerability. The specific flaw exists within the OpcUa_SecureListener_ProcessSessionCallRequest method. A crafted OPC UA message can force the server to incorrectly update a reference count. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-16927.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
Unified-automation Opc Ua C\+\+ Demo Server	=1.7.6.537

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Reference Links

Frequently Asked Questions

What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2022-37012.
What is the severity level of CVE-2022-37012?
The severity level of CVE-2022-37012 is high with a CVSS score of 7.5.
What is the affected software for CVE-2022-37012?
The affected software is the Unified Automation OPC UA C++ Demo Server version 1.7.6-537.
Is authentication required to exploit CVE-2022-37012?
No, authentication is not required to exploit CVE-2022-37012.
How can I fix the vulnerability CVE-2022-37012?
To fix the vulnerability CVE-2022-37012, it is recommended to update to a patched version of the Unified Automation OPC UA C++ Demo Server.

collector/nvd-index
agent/references
agent/type
collector/mitre-cve
source/MITRE
agent/weakness
agent/title
agent/severity
agent/author
agent/last-modified-date
agent/softwarecombine
agent/tags
agent/description
agent/first-publish-date
collector/zdi-advisory
source/ZDI
alias/ZDI-22-1030
alias/ZDI-CAN-16927
alias/CVE-2022-37012
agent/software-canonical-lookup
agent/event
vendor/unified-automation
canonical/unified-automation opc ua c\+\+ demo server
version/unified-automation opc ua c\+\+ demo server/1.7.6.537
vendor/unified automation
canonical/unified automation opc ua c++ demo server

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