Actively exploited · Published Dec 21, 2018 · Assigned by mitre

CVE-2018-19323

Critical 9.8 Exploited Ransomware

In plain English

A critical-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 8.4% (higher than 95% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Apply updates per vendor instructions.

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)8.4%top 5.0% of all CVEs

Exploited in the wildYesCISA KEV since Oct 24, 2022

Attack tooling1Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Nov 14, 2022.

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 functionality to read and write Machine Specific Registers (MSRs).

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

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/tw/Support/Utility/Graphics-Card x_refsource_CONFIRM
https://www.gigabyte.com/Support/Security/1801 x_refsource_CONFIRM
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19323 government-resource