SB2018041037 - Privilege escalation in Microsoft DirectX Graphics Kernel Subsystem
Published: April 10, 2018
Security Bulletin ID
SB2018041037
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Privilege escalation (CVE-ID: CVE-2018-1009)
CWE-ID: CWE-119 - Memory corruption
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 attacker to gain elevated privileges on the target system.
The weakness exists due to improper handling of objects in memory and incorrect mapping of kernel memory by the Microsoft DirectX graphics kernel subsystem (dxgkrnl.sys). A local attacker can run a specially crafted application, trigger memory corruption and gain system privileges.
Remediation
Install update from vendor's website.