ZDI-23-775: (Pwn2Own) Unified Automation UaGateway OPC UA Server Improper Input Validation Denial-of-Service Vulnerability

Published May 31, 2023
·
Updated

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. User interaction is required to exploit this vulnerability in that the target must choose to accept a client certificate.

Affected Software

1 affected component
Unified Automation UaGateway

Event History

May 31, 2023
Advisory Published
05:00 AM
Data Sourced
05:00 AM
Description
May 3, 2024
Advisory Published
via ZDI·02:06 AM
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Frequently Asked Questions

1

What is the severity of ZDI-23-775?

The severity of ZDI-23-775 is classified as a denial-of-service vulnerability.

2

How can I fix ZDI-23-775?

To mitigate ZDI-23-775, ensure that only trusted clients are allowed to connect and validate client certificates meticulously.

3

What impact does ZDI-23-775 have on Unified Automation UaGateway?

ZDI-23-775 allows remote attackers to create a denial-of-service condition, affecting the availability of Unified Automation UaGateway.

4

Are there any prerequisites for exploiting ZDI-23-775?

Yes, exploitation of ZDI-23-775 requires user interaction, specifically the acceptance of a client certificate.

5

Which versions of Unified Automation UaGateway are affected by ZDI-23-775?

ZDI-23-775 affects certain installations of Unified Automation UaGateway, though specific version details are not mentioned.

Contact

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