Vulnerability identifier: #VU16621

Vulnerability risk: Low

CVSSv3.1: 8.4 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:U/RC:C]

CVE-ID: CVE-2018-19320

CWE-ID: CWE-782

Exploitation vector: Local

Exploit availability: Yes

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 ring0 memcpy-like functionality built into GIO's IOCTL 0xC3502808. A local attacker can gain 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

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

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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.