Severe Bugs Reported in EtherNet/IP Stack for Industrial Systems

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Thursday issued an advisory warning of multiple vulnerabilities in the OpENer EtherNet/IP stack that could expose industrial systems to denial-of-service DoS attacks, data leaks, and remote code execution. All OpENer commits and...

CVE-2020-13556

The CVE-2020-13556 entry concerns the OpENer EtherNet/IP stack. A vulnerability in OpENer 2.3 and the development commit 8c73bf3 arises from an out-of-bounds write in the Ethernet/IP server, specifically CreateCommonPacketFormatStructure, where the item_count from an ENIP packet drives a loop wri...