SB2018100921 - Multiple vulnerabilities in DirectX for Microsoft Windows

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Main Vulnerability Database SB2018100921

SB2018100921 - Multiple vulnerabilities in DirectX for Microsoft Windows

Published: October 9, 2018

Security Bulletin ID SB2018100921
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2018-8486)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote authenticated attacker to obtain potentially sensitive information.

The vulnerability exists due to improper handling of objects in memory by DirectX component. A remote attacker can run a specially crafted application and obtain information to further compromise the user’s system.


2) Privilege escalation (CVE-ID: CVE-2018-8484)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local authenticated attacker to gain elevated privileges.

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 and gain SYSTEM privileges to conduct further attacks.


Remediation

Install update from vendor's website.

References