Lenovo Vantage HardwareScanPlugin Elevation of Privilege Vulnerability Exploit

The LenovoDiagnosticsDriver.sys driver in the HardwareScanPlugin of Lenovo Vantage before 1.3.0.5 allow local non-privileged users (including low-integrity level processes) to read and write to arbitrary physical memory locations, and consequently gain NT AUTHORITY\SYSTEM privileges, via a function call such as MmMapIoSpace.