Allele Security Alert
ASA-2018-00100, CORE-2018-0007, CVE-2018-19323
Driver allow non-privileged user access to MSR registers
GIGABYTE APP Center
AORUS GRAPHICS ENGINE
XTREME GAMING ENGINE
OC GURU II
GIGABYTE APP Center v1.05.21 and previous
AORUS GRAPHICS ENGINE v1.33 and previous
XTREME GAMING ENGINE v1.25 and previous
OC GURU II v2.08
Proof of concept
Default installation allows non-privileged user processes (even running at LOW INTEGRITY) to get a HANDLE and issue IOCTL codes to these drivers.
GIO exposes functionality to read and write Machine Specific Registers (MSRs). This could be leveraged to execute arbitrary ring-0 code.
Diego Juarez (SecureAuth) and Leandro Cuozzo (SecureAuth)
GIGABYTE Drivers Elevation of Privilege Vulnerabilities
[CORE-2018-0007] – GIGABYTE Driver Elevation of Privilege Vulnerabilities
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Last modified: February 3, 2019