Low
1. Impacted Products
- VMware Tools for Windows (VMware Tools)
2. Introduction
A denial-of-service vulnerability in VMware Tools for Windows was privately reported to VMware. Updates are available to remediate this vulnerability in affected VMware products.
3. VMware Tools for Windows update addresses a denial-of-service vulnerability (CVE-2021-21997)
Description
VMware Tools for Windows contains a denial-of-service vulnerability in the VM3DMP driver. VMware has evaluated the severity of this issue to be in the Low severity range with a maximum CVSSv3 base score of 3.3.
Known Attack Vectors
A malicious actor with local user privileges in the Windows guest operating system, where VMware Tools is installed, can trigger a PANIC in the VM3DMP driver leading to a denial-of-service condition in the Windows guest operating system.
Resolution
To remediate CVE-2021-21997 apply the patches listed in the 'Fixed Version' column of the 'Response Matrix' found below.
Workarounds
None.
Additional Documentation
None.
Notes
None.
Acknowledgements
VMware would like to thank Honggang Ren from Codesafe Team of Legendsec at Qi'anxin Group for reporting this vulnerability to us.
Response Matrix
| Product | Version | Running On | CVE Identifier | CVSSv3 | Severity | Fixed Version | Workarounds | Additional Documentation |
|
VMware Tools for Windows
|
11.x.y and prior
|
Windows
|
CVE-2021-21997
|
low
|
11.3.0
|
None
|
None
|
4. References
Fixed Version(s) and Release Notes:
VMware Tools for Windows 11.3.0
Downloads and Documentation:
https://my.vmware.com/en/group/vmware/downloads/details?downloadGroup=VMTOOLS1130&productId=1073
https://docs.vmware.com/en/VMware-Tools/11.3/rn/VMware-Tools-1130-Release-Notes.html
Mitre CVE Dictionary Links:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21997
FIRST CVSSv3 Calculator:
CVE-2021-21997: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
5. Change Log
2021-06-17 VMSA-2021-0011
Initial security advisory.
6. Contact
E-mail list for product security notifications and announcements:
https://lists.vmware.com/cgi-bin/mailman/listinfo/security-announce
This Security Advisory is posted to the following lists:
security-announce@lists.vmware.com
E-mail: security@vmware.com
PGP key at:
VMware Security Advisories
https://www.vmware.com/security/advisories
VMware Security Response Policy
https://www.vmware.com/support/policies/security_response.html
VMware Lifecycle Support Phases
https://www.vmware.com/support/policies/lifecycle.html
VMware Security & Compliance Blog
https://blogs.vmware.com/security
Copyright 2021 VMware Inc. All rights reserved.