March 29, 2023, 7:15 p.m. |

National Vulnerability Database web.nvd.nist.gov

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. Was ZDI-CAN-17203.

attackers authentication automation certificate certificates cve demo exploit flaw handling loop opc opc ua server service system vendor vulnerability zdi

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