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17 Zero-Days Found & Fixed in OPC-UA Industrial Protocol Implementations

Vulnerabilities in the framework used for secure data transfer in industrial systems were all fixed by March, says Kaspersky Lab.

Researchers discovered 17 zero-day vulnerabilities in a popular framework for secure data transfer between clients and servers in industrial systems — OPC-UA — and applications that use that framework.

OPC-UA (Object Linking and Embedding for Process Control Unified Automation) is an updated, more-secure version of the OPC protocol, and allows the use of SOAP over HTTPS.

However, Kaspersky Lab ICS CERT released findings today that many implementations of OPC-UA had code design flaws that left them open to denial-of-service and remote code execution attacks. Vulnerabilities were found both in the OPC Foundation's own applications as well as third-party applications that use the OPC-UA Stack.

All vulnerabilities were reported to developers, and were fixed as of March, according to Kaspersky Lab. See the full report here.