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