CVE-2022-37013: (Pwn2Own) Unified Automation OPC UA C++ Infinite Loop Denial-of-Service Vulnerability

Published 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 [with vendor rollup]. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of certificates. A crafted certificate can force the server into an infinite loop. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-17203.

Other sources

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of certificates. A crafted certificate can force the server into an infinite loop. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

ZDI

Affected Software

2 affected components
Unified Automation OPC UA C++ Demo Server
Unified-automation Opc Ua C\+\+ Demo Server=1.7.6.537

Event History

Mar 29, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness
Aug 3, 2024
Advisory Published
via ZDI·10:26 AM
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Frequently Asked Questions

1

What is CVE-2022-37013?

CVE-2022-37013 is a vulnerability that 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 [with vendor rollup].

2

How severe is CVE-2022-37013?

CVE-2022-37013 has a severity rating of 7.5 (high).

3

How can an attacker exploit CVE-2022-37013?

An attacker can exploit CVE-2022-37013 by sending specially crafted requests to the affected server, causing it to enter an infinite loop and creating a denial-of-service condition.

4

Is authentication required to exploit CVE-2022-37013?

No, authentication is not required to exploit CVE-2022-37013.

5

How can I fix CVE-2022-37013?

Currently, there is no known fix for CVE-2022-37013. It is recommended to apply the vendor's updates once they become available.

Contact

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