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CVE-2018-19321

7.8 · HIGHActively Exploited

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…

Published Dec 21, 2018EPSS 3.70%

Overview

CVE-2018-19321 is a high-severity vulnerability. It was published on December 21, 2018 and has a CVSS 3.1 base score of 7.8 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refseclists.org/fulldisclosure/2018/Dec/39Refwww.securityfocus.com/bid/106252Refwww.gigabyte.com/Support/Security/1801Refwww.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilitiesRefseclists.org/fulldisclosure/2018/Dec/39Refwww.securityfocus.com/bid/106252Refwww.gigabyte.com/Support/Security/1801Refwww.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilitiesCISAwww.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19321

How CyberStrike helps

Frequently asked questions

What is CVE-2018-19321?

CVE-2018-19321 is a high-severity vulnerability. It was published on December 21, 2018 and has a CVSS 3.1 base score of 7.8 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2018-19321?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-19321?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-19321?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-19321 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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