CVE-2024-36980

Name of the Vulnerable Software and Affected Versions OpenPLC v3 b4702061dc14d1024856f71b4543298d77007b88

Description An out-of-bounds read issue exists in the OpenPLC Runtime EtherNet/IP PCCC parser functionality. A specially crafted network request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger this issue. The vulnerability was exploited by taking the return value of a function, -1, as a uint16 t type, bypassing validation, and using it as an argument to the memmove function.

Recommendations At the moment, there is no information about a newer version that contains a fix for this issue.