CVE-2023-32173 Unified Automation UaGateway AddServer XML Injection Denial-of-Service Vulnerability

Medium 5.8 Published 3 May 2024 Updated 18 Sep 2024

Remote authenticated attackers can cause persistent denial of service in Unified Automation UaGateway via XML injection in the AddServer method.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-32173?

CVE-2023-32173 is a medium-severity vulnerability in Unified Automation UaGateway, published on 3 May 2024. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Unified Automation UaGateway AddServer XML Injection Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. Authentication is required to exploit this vulnerability when the product is in its default configuration.

The specific flaw exists within the implementation of the AddServer method. By specifying crafted arguments, an attacker can cause invalid characters to be inserted into an XML configuration file. An attacker can leverage this vulnerability to create a persistent denial-of-service condition on the system. . Was ZDI-CAN-20576.

Weakness: CWE-91

Which versions are affected by CVE-2023-32173?

It affects 1 product.

Products include Unified-Automation Uagateway.

How do I fix CVE-2023-32173?

No fix has been published for CVE-2023-32173 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-32173 being exploited?

There is no known exploitation of CVE-2023-32173 in the wild and no public exploit code.

Sources

Also known as GHSA-9mgj-c7cg-q4g6.