Actively exploited · Published Dec 21, 2018 · Assigned by mitre
CVE-2018-19321
High 7.8 Exploited Ransomware
In plain English
A high-severity security flaw in Multiple Products from GIGABYTE. Attackers are actively exploiting it in the wild (listed by CISA on October 24, 2022). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 3.7% (higher than 90% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Nov 14, 2022.
Official description
The GPCIDrv and GDrv low-level drivers 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 expose functionality to read and write arbitrary physical memory. This could be leveraged by a local attacker to elevate privileges.
Affected products (as reported)
References
- 20181221 [CORE-2018-0007] - GIGABYTE Driver Elevation of Privilege Vulnerabilities mailing-list, x_refsource_FULLDISC
- https://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities x_refsource_MISC
- 106252 vdb-entry, x_refsource_BID
- https://www.gigabyte.com/Support/Security/1801 x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19321 government-resource