CVE-2018-19321: Used in ransomware campaigns — CISA KEV

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 attac

01What CISA says about this vulnerability

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.

02Required action — verbatim from CISA

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

03Notes & references

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

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

No structured affected-product list available — see references below for vendor advisories.

06Detection

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