SB2021060810 - Privilege escalation in Microsoft Windows Common Log File System Driver
Published: June 8, 2021 Updated: June 14, 2021
Security Bulletin ID
SB2021060810
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 security vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2021-31954)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the Windows Common Log File System Driver. A local user can run a specially crafted program to trigger a heap-based buffer overflow and execute arbitrary code with SYSTEM privileges.Remediation
Install update from vendor's website.