
CVE-2023-32170 – Unified Automation UaGateway OPC UA Server Improper Input Validation Denial-of-Service Vulnerability
https://notcve.org/view.php?id=CVE-2023-32170
31 May 2023 — Unified Automation UaGateway OPC UA Server Improper Input Validation Denial-of-Service Vulnerability. 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. The specific flaw exists within the processing of client certificates. The issue results from the lack of proper validation of certificate data. • https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt • CWE-20: Improper Input Validation •

CVE-2023-32171 – Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability
https://notcve.org/view.php?id=CVE-2023-32171
31 May 2023 — 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. • https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt • CWE-476: NULL Pointer Dereference •

CVE-2023-32172 – Unified Automation UaGateway OPC UA Server Use-After-Free Denial-of-Service Vulnerability
https://notcve.org/view.php?id=CVE-2023-32172
31 May 2023 — Unified Automation UaGateway OPC UA Server Use-After-Free 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 implementation of the ImportXML function. The issue results from the lack of validating the existence of an object prior to performing operations on the object. • https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt • CWE-416: Use After Free •