FabulaTech USB for Remote Desktop IoControlCode 0x220408 null pointer dereference

A vulnerability was found in FabulaTech USB for Remote Desktop 6.1.0.0. It has been rated as problematic. Affected by this issue is the function 0x220448/0x220420/0x22040c/0x220408 of the component IoControlCode Handler. The manipulation leads to null pointer dereference. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. VDB-229850 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

ftusbbus2.sys in FabulaTech USB for Remote Desktop through 2020-02-19 allows privilege escalation via crafted IoCtl code related to a USB HID device.