VMware Tools workaround addresses a local privilege escalation vulnerability (CVE-2020-3941)

2020-01-14T00:00:00
ID VMSA-2020-0002
Type vmware
Reporter VMware
Modified 2020-01-14T00:00:00

Description

1. Impacted Products
  • VMware Tools for Windows (VMware Tools)
2. Introduction
A vulnerability in VMware Tools in functionality that was removed from VMware Tools 11.0.0 has been determined to affect VMware Tools for Windows version 10.x.y. Workarounds are available to address this vulnerability in affected VMware Tools versions.
3. VMware Tools workaround addresses a local privilege escalation vulnerability (CVE-2020-3941)

Description:

The repair operation of VMware Tools for Windows has a race condition. VMware has evaluated the severity of this issue to be in the Important severity range with a maximum CVSSv3 base score of 7.8.

Known Attack Vectors:

A malicious actor on the guest VM might exploit the race condition and escalate their privileges on a Windows VM. This issue affects VMware Tools for Windows version 10.x.y as the affected functionality is not present in VMware Tools 11.

Resolution:

To remediate CVE-2020-3941, update to VMware Tools version 11.0 or later.

Workarounds:

A workaround for CVE-2020-3941 has been documented in the VMware Knowledge Base article listed in the "Workarounds" column of the "Response Matrix" below.

Additional Documentations:

None.

Acknowledgements:

None.

Response Matrix: