# CVE-2018-19321

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.

- Page: https://www.vulneraibility.com/cve/CVE-2018-19321
- CVSS: 7.8
- Known exploited: yes, in CISA KEV since 2022-10-24; CISA due date 2022-11-14; known ransomware use
- EPSS: 3.70% (percentile 89.9)
- Unvetted proof-of-concept code on GitHub: 2 GitHub proofs of concept (first 2022-04-26)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2022-10-27)
- Published: 2018-12-21

## Affected

- gigabyte:aorus_graphics_engine
- gigabyte:app_center
- gigabyte:oc_guru_ii
- gigabyte:xtreme_gaming_engine

## References

- [other] http://seclists.org/fulldisclosure/2018/Dec/39
- [other] https://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities
- [other] http://www.securityfocus.com/bid/106252
- [other] https://www.gigabyte.com/Support/Security/1801
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19321

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.