A buffer overflow vulnerability was discovered in the OpenPLC controller, in the OpenPLC_v2 and OpenPLC_v3 versions. It occurs in the modbus.cpp mapUnusedIO() function, which can cause a runtime crash of the PLC or possibly have unspecified other impact.
References
Link Resource
https://arxiv.org/pdf/1809.07477 Third Party Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2019-04-21T19:50:39

Updated: 2019-04-21T19:50:39

Reserved: 2019-04-21T00:00:00


Link: CVE-2018-20818

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2019-04-22T11:29:01.970

Modified: 2019-04-23T14:55:45.570


Link: CVE-2018-20818

JSON object: View

cve-icon Redhat Information

No data.

CWE