Invalid Pointer Dereference Vulnerabilities in OpenPLC Runtime by OpenPLC

CVE-2024-39589

What is CVE-2024-39589?

Multiple invalid pointer dereference vulnerabilities exist within the EtherNet/IP parser functionality of OpenPLC Runtime. Malicious attackers can exploit this vulnerability by sending specially crafted EtherNet/IP requests, potentially leading to a denial of service. Specifically, these vulnerabilities reside in the Protected_Logical_Read_Reply function, where improper handling of input can create a significant risk for affected systems. Users are advised to apply appropriate security measures to mitigate potential attacks leveraging these vulnerabilities.

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