[ CVE-2018-19320 · Published 21 Dec 2018 ]

GIGABYTE Multiple Products Unspecified Vulnerability

Exploited · CISA KEV CVSS 7.8 EPSS 4%No fix listed yet

[ Why it matters ]Priority signals

Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-10-24
Known to be used in ransomware campaigns

[ Description ]Official description

The GDrv low-level driver in GIGABYTE APP Center v1.05.21 and earlier, AORUS GRAPHICS ENGINE before 1.57, XTREME GAMING ENGINE before 1.26, and OC GURU II v2.08 exposes ring0 memcpy-like functionality that could allow a local attacker to take complete control of the affected system.

CISA: The GDrv low-level driver in GIGABYTE App Center, AORUS Graphics Engine, XTREME Gaming Engine, and OC GURU II exposes ring0 memcpy-like functionality that could allow a local attacker to take complete control of the affected system.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 14 Nov 2022): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

seclists.org/fulldisclosure/2018/Dec/39ExploitMailing ListThird Party Advisory
www.securityfocus.com/bid/106252Broken LinkThird Party AdvisoryVDB Entry
www.gigabyte.com/Support/Security/1801Vendor Advisory
www.gigabyte.com/tw/Support/Utility/Graphics-CardProduct
www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilitiesBroken LinkExploitThird Party Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource