CVE-2022-37013 – Unified Automation OPC UA C++ Infinite Loop Denial-of-Service Vulnerability
https://notcve.org/view.php?id=CVE-2022-37013
This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537 [with vendor rollup]. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of certificates. A crafted certificate can force the server into an infinite loop. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. • https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txt https://www.zerodayinitiative.com/advisories/ZDI-22-1029 • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •
CVE-2022-37012 – Unified Automation OPC UA C++ Improper Update of Reference Count Denial-of-Service Vulnerability
https://notcve.org/view.php?id=CVE-2022-37012
This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537. Authentication is not required to exploit this vulnerability. The specific flaw exists within the OpcUa_SecureListener_ProcessSessionCallRequest method. A crafted OPC UA message can force the server to incorrectly update a reference count. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. • https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txt https://www.zerodayinitiative.com/advisories/ZDI-22-1030 • CWE-911: Improper Update of Reference Count •