SB2021061801 - Denial of service in VMware Tools for Windows



SB2021061801 - Denial of service in VMware Tools for Windows

Published: June 18, 2021

Security Bulletin ID SB2021061801
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2021-21997)

CWE-ID: CWE-20 - Improper input validation

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


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the VM3DMP driver. A local unprivileged user on the guest operating system can trigger panic in the VM3DMP and perform a denial of service (DoS) attack against the guest operating system.


Remediation

Install update from vendor's website.