GIGABYTE Multiple Products Privilege Escalation Vulnerability
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).
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 4 / 5
- KEV catalog (CISA)24 Oct 2022
- Exploited in EUVD (ENISA)24 Oct 2022
- Used by ransomwareyes
- EPSS above 10 %8.4%
- No account, over the networkyes
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply updates per vendor instructions.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Affected products
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
-
Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
References
Other exploited vulnerabilities from the same vendor
- CVE-2018-19322GIGABYTE Multiple Products Code Execution Vulnerability5.0 · Background exploitation
- CVE-2018-19321GIGABYTE Multiple Products Privilege Escalation Vulnerability5.0 · Background exploitation
- CVE-2018-19320GIGABYTE Multiple Products Unspecified Vulnerability5.1 · Background exploitation