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ICS-CERT is aware of a report of multiple buffer overflow vulnerabilities in Advantech ISSymbol ActiveX Control 18.104.22.168 and Advantech Studio 6.1 SP6 Build 61.6.01.05. Boundary errors that occur during various functions can cause heap-based or stack-based overflows, which in turn may allow execution of arbitrary code. ICS-CERT is currently coordinating with the vendor to validate and mitigate this vulnerability. Additional information will be published as it becomes available.
Advantech Studio is a collection of automation tools that includes components required to develop human-machine interface (HMI) and supervisory control and data acquisition system (SCADA) applications that run on various Windows platforms. According to Advantech, Advantech Studio is currently being used in nearly 2,000 installations worldwide. Advantech Studio is used in a variety of applications including remote utility management, building automation, water and wastewater management, and factory automation.
Please report any issues affecting control systems in critical infrastructure environments to ICS-CERT.
ICS-CERT published a follow-up advisory titled ICSA-12-137-02 - Advantech Studio ISSymbol ActiveX Buffer Overflow to the ICS-CERT Web page on May 15, 2012.
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