CVEs / CVE-2018-19323
CVE-2018-19323: GIGABYTE Multiple Products Privilege Escalation Vulnerability
- Known exploited in the CISA KEV catalog since 24 Oct 2022
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 8.36% chance of exploitation in the next 30 days, higher than 94% of CVEs (30 Oct 2026)
- Last changed at its sources
Are you affected? Check your servers with Stackurity: it lists the software on each server and the vulnerabilities to fix first.
Check your servers with Stackurity Already using Stackurity? Search for CVE-2018-19323
Summary
The GPCIDrv and GDrv low-level drivers in GIGABYTE App Center, AORUS Graphics Engine, XTREME Gaming Engine, and OC GURU expose functionality to read and write arbitrary physical memory. This could be leveraged by a local attacker to elevate privileges.
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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 24 Oct 2022 |
|---|---|
| Due date for US federal agencies | 14 Nov 2022 |
| Used in ransomware campaigns | Known |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|
References
- CVE-2018-19323 on NVD
- CVE-2018-19323 in the CISA KEV catalog
- https://www.gigabyte.com/Support/Security/1801 (cited by CISA)
- http://seclists.org/fulldisclosure/2018/Dec/39 Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/106252 Broken Link, Third Party Advisory, VDB Entry
- https://www.gigabyte.com/Support/Security/1801 Vendor Advisory
- https://www.gigabyte.com/tw/Support/Utility/Graphics-Card Product
- https://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities Broken Link, Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19323 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.