Security vulnerabilities identified in Honeywell’s OPC UA Tunneller equipment

The Cybersecurity and Infrastructure Agency (CISA) issued a security advisory on several vulnerabilities identified in Honeywell’s OPC UA Tunneller, which can be exploited remotely using low levels of skill. These loopholes allow heap-based buffer overflow, out-of-bounds read, improper check for unusual or exceptional conditions, and uncontrolled resource consumption. Matrikon is a subsidiary of Honeywell and
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