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Vigil@nce - SIMATIC NET PC-Software: denial of service via OPC-UA

September 2016 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/offer

SYNTHESIS OF THE VULNERABILITY

An attacker can send a malicious OPC-UA packet to SIMATIC NET
PC-Software, in order to trigger a denial of service.

Impacted products: SIMATIC.

Severity: 2/4.

Creation date: 25/07/2016.

DESCRIPTION OF THE VULNERABILITY

The SIMATIC NET PC-Software product has a service to manage
received OPC-UA packets on ports 55101-55105/tcp, 4845/tcp, and
4847-4850/tcp.

However, when a malicious packet is received, a fatal error occurs.

An attacker can therefore send a malicious OPC-UA packet to
SIMATIC NET PC-Software, in order to trigger a denial of service.

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/SIMATIC-NET-PC-Software-denial-of-service-via-OPC-UA-20207


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