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
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. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. • https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt https://www.zerodayinitiative.com/advisories/ZDI-23-777 • CWE-416: Use After Free •
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
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 on the system. • https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt https://www.zerodayinitiative.com/advisories/ZDI-23-776 • CWE-476: NULL Pointer Dereference •
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
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. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. • https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt https://www.zerodayinitiative.com/advisories/ZDI-23-775 • CWE-20: Improper Input Validation •