The specific flaw exists within notify2.exe, which is accessed through the 0x2711 IOCTL in the webvrpcs process. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code under the context of Administrator.
Advantech has issued an update to correct this vulnerability. More details can be found at:
|Mat Powell - Trend Micro Zero Day Initiative