External risk intelligence

Gigabyte Driver Vulnerability Allows System Control.

CVE advisoryKnown Exploit

CVE-2018-19320

A flaw in Gigabyte software drivers allows a local attacker to gain complete system control. This impacts Gigabyte App Center, AORUS Graphics Engine, XTREME Gaming Engine, and OC GURU II. The business risk involves potential system compromise and loss of data control.

1Halo Surface Signal

Gigabyte Aorus Graphics Engine

before 1.57before 19.0422.12.08before 1.26

External exposure likelihood

Halo Surface Signal score for CVE-2018-19320

The vulnerability exists in a local, low-level system driver for hardware management software. It requires local access to the host system to interact with the vulnerable driver, meaning it is not reachable over a network or the public internet in standard deployment scenarios.

Horizon Alert

Summary of the vulnerability and why it matters

Certain Gigabyte software components contain a flaw within their low-level driver. This weakness allows a local attacker with system access to execute malicious code. The impact of this flaw is a complete compromise of the affected system, granting the attacker full control.

  • GIGABYTE App Center, AORUS Graphics Engine, XTREME Gaming Engine, OC GURU II
  • Driver exposes sensitive functionality
  • System compromise and full attacker control

Attack Path

How an attacker could exploit the issue

This vulnerability impacts Gigabyte systems through its low-level driver functionality. An attacker with local access can exploit this to gain complete control over the affected system. This control could lead to significant business risk by compromising system integrity and data.

  • Local access to the system is required.
  • Attacker triggers driver functionality.
  • Complete system control is achieved.

Live Threat

Current exploitation, exposure, and threat context

A local attacker with low skill could exploit this vulnerability to gain complete control of an affected system. The risk to the organization is significant due to the potential for system compromise, impacting operations and data. Given that this vulnerability is listed as actively exploited, it should be treated with urgency.

  • Low to moderate attacker skill required.
  • Local access to the system is necessary.
  • High business risk; urgent remediation advised.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

The identified vulnerability in GIGABYTE software, including APP Center, AORUS Graphics Engine, XTREME GAMING ENGINE, and OC GURU II, could allow a local attacker to gain complete control of an affected system. The issue stems from a low-level driver that exposes sensitive functionality. Organizations should prioritize addressing this risk to prevent potential system compromise.

  • Find affected GIGABYTE software assets.
  • Reduce exposure or isolate risk.
  • Apply vendor fixes and verify.
  • Monitor for related activity.

Frequently asked questions

What is Gigabyte App Center and related software?

Gigabyte App Center, AORUS Graphics Engine, XTREME Gaming Engine, and OC GURU II are Gigabyte software tools used to manage hardware functions like fan speeds, lighting, and performance on Gigabyte motherboards and graphics cards.

How does CVE-2018-19320 enable system control via privilege escalation?

CVE-2018-19320 is a privilege escalation weakness. A flaw in the GDrv low-level driver allows a local attacker to execute system-level commands, granting them complete control of the affected system.

What specific Gigabyte software versions are impacted by CVE-2018-19320?

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 are affected by this vulnerability.

Why is CVE-2018-19320 considered a very unlikely threat?

This vulnerability is considered very unlikely because it resides in a local, low-level system driver for hardware management software. Exploitation requires direct local access to the host system, making it unreachable over a network.

What steps should be taken to address the Gigabyte driver vulnerability?

Organizations should identify affected Gigabyte software assets, reduce exposure or isolate risks, apply vendor fixes, and monitor for related activity to prevent potential system compromise.

References