CVEs / CVE-2018-19321
CVE-2018-19321: GIGABYTE Multiple Products Privilege Escalation Vulnerability
- Known exploited in the CISA KEV catalog since 24 Oct 2022
- high 7.8 CVSS 3.1 (NVD)
- EPSS 3.7% chance of exploitation in the next 30 days, higher than 89% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
The GPCIDrv and GDrv low-level drivers in GIGABYTE App Center, AORUS Graphics Engine, XTREME Gaming Engine, and OC GURU II expose functionality to read and write arbitrary physical memory. This could be leveraged by a local attacker to elevate privileges.
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 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 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|
References
- CVE-2018-19321 on NVD
- CVE-2018-19321 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.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-2018-19321 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.