Vulnerability identifier: #VU16623

Vulnerability risk: Medium

CVSSv3.1: 9.3 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:U/RC:C]

CVE-ID: CVE-2018-19323

CWE-ID: CWE-782

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
GIGABYTE APP Center
Hardware solutions / Drivers
AORUS GRAPHICS ENGINE
Hardware solutions / Drivers
XTREME GAMING ENGINE
Hardware solutions / Drivers
OC GURU
Hardware solutions / Drivers

Vendor: GIGABYTE Global

Description
The vulnerability allows a local unauthenticated attacker to gain elevated privileges on the target device.

The weakness exists due to GIO exposes functionality to read and write Machine Specific Registers (MSRs). A local attacker can execute arbitrary ring-0 code with elevated privileges.

Mitigation
Cybersecurity Help is currently unaware of any official solution addressing the vulnerability.

Vulnerable software versions

GIGABYTE APP Center: 1.05.21

AORUS GRAPHICS ENGINE: 1.0 - 1.33

XTREME GAMING ENGINE: 1.22 - 1.25

OC GURU: 2.08

---

External links
http://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.