SCADA environment staying alert – Security updates for the OPC UA stacks on 12th Sep 2018

SCADA helps people automate our world. It includes water, wastewater, and storm water management,Oil and Gas,Electricity,Transit systems and traffic,Facilities,Agriculture and Manufacturing.

OPC UA can be used for supervisory control, now eliminating the use of Windows-based intermediate systems to streamline the data transfer process from the field and control levels vertically to the management and enterprise levels. Recently found Buffer overflow in OPC UA applications. It allows remote attackers to trigger a stack overflow with carefully structured requests. Stack buffer overflow can be caused deliberately as part of an attack known as stack smashing. Buffer overflows in the stack segment may allow an attacker to modify the values of automatic variables or execute arbitrary code.

Official announcement shown as below URL: