References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Change History

https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt

https://www.zerodayinitiative.com/advisories/ZDI-23-776/

Unified Automation UaGateway OPC UA Server Null Pointer Dereference 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.

The specific flaw exists within the ImportCsv method. A crafted XML payload can cause a null pointer dereference. An attacker can leverage this vulnerability to create a denial-of-service condition 

Zero Day Initiative AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Zero Day Initiative CWE-476

Zero Day Initiative https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt [No types assigned]

Zero Day Initiative https://www.zerodayinitiative.com/advisories/ZDI-23-776/ [No types assigned]