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 ring0 memcpy-like functionality that could allow a local attacker to take complete control of the affected system. This vulnerability is classified as high severity with a CVSS score of 7.8, indicating significant potential for exploitation.
Risk to organizations includes unauthorized access and control over systems, which can lead to data breaches, loss of integrity, and service disruptions. The vulnerability has been known to be actively exploited, increasing its urgency for immediate patching. Organizations should prioritize patching immediately.
As of its last modification on November 7, 2025, this vulnerability remains a critical concern for users of GIGABYTE products. Organizations should implement available patches and monitor their systems for any signs of exploitation.
Immediate action is required to mitigate the risks associated with this vulnerability, ensuring that potential exploit avenues are closed off.
Vulnerability Details
The GDrv driver vulnerability allows an attacker with local access to perform operations that could compromise the entire system. It is critical for organizations using affected GIGABYTE products to assess their exposure.
Technical Analysis
The root cause of the vulnerability lies in the low-level driver exposing ring0 memcpy-like functionality, which can be exploited by local attackers. The attack vector is local, requiring low attack complexity and low privileges, with no user interaction necessary.
The confidentiality, integrity, and availability impacts are all classified as high, indicating that successful exploitation can lead to significant damage.
Risk & Impact Analysis
Organizations using GIGABYTE products need to assess their risk exposure due to this vulnerability. The potential blast radius includes all systems running affected software, which could allow attackers to gain unauthorized control. Urgency assessment based on the CVSS score and known exploitation indicates that organizations should address this vulnerability in their priority patch cycle.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | Yes |
Ransomware Use | Yes |
Affected Versions
The affected versions include GIGABYTE APP Center (v1.05.21 and earlier), AORUS GRAPHICS ENGINE (before 1.57), OC GURU II (v2.08), and XTREME GAMING ENGINE (before 1.26).
Mitigation & Remediation
Organizations should apply updates per vendor instructions to mitigate this vulnerability. Ensure that all affected components are upgraded to the latest versions available on the vendor's site. For additional security, consider implementing configuration hardening and network controls to limit potential exploitations. Regular monitoring of systems for unusual activities is recommended.
Detection Guidance
Monitor logs for indicators of exploitation, including failed driver load attempts or unexpected changes in driver state. Behavioral anomalies may include unauthorized access attempts or changes in system performance.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2018-19320 highlights the importance of secure driver development practices. Security teams should note the pattern of vulnerabilities in low-level drivers and ensure rigorous testing and validation processes are in place.
Organizations should continuously assess their security posture, adopting a proactive approach to vulnerability management. For comprehensive assessments, consider utilizing application security assessment services.
As vulnerabilities like CVE-2018-19320 emerge, the need for regular security updates and awareness of potential threats is paramount. Engage in continuous education regarding driver security and stay updated with vendor advisories.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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