SB2018081423 - Privilege escalation in Microsoft Windows DirectX Graphics Kernel (DXGKRNL) driver

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Main Vulnerability Database SB2018081423

SB2018081423 - Privilege escalation in Microsoft Windows DirectX Graphics Kernel (DXGKRNL) driver

Published: August 14, 2018

Security Bulletin ID SB2018081423
Severity
Low
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Memory corruption (CVE-ID: CVE-2018-8400)

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper handling of objects in memory by the DirectX Graphics Kernel (DXGKRNL) driver. A local attacker can run a specially crafted application, trigger memory corruption and gain SYSTEM privileges.


2) Memory corruption (CVE-ID: CVE-2018-8401)

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper handling of objects in memory by the DirectX Graphics Kernel (DXGKRNL) driver. A local attacker can run a specially crafted application, trigger memory corruption and gain SYSTEM privileges.


3) Memory corruption (CVE-ID: CVE-2018-8405)

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper handling of objects in memory by the DirectX Graphics Kernel (DXGKRNL) driver. A local attacker can run a specially crafted application, trigger memory corruption and gain SYSTEM privileges.


4) Memory corruption (CVE-ID: CVE-2018-8406)

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper handling of objects in memory by the DirectX Graphics Kernel (DXGKRNL) driver. A local attacker can run a specially crafted application, trigger memory corruption and gain SYSTEM privileges.

Remediation

Install update from vendor's website.

References