CVE-2020-3989
First published: Wed Sep 16 2020(Updated: )
VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) contain a denial of service vulnerability due to an out-of-bounds write issue in Cortado ThinPrint component. A malicious actor with normal access to a virtual machine may be able to exploit this issue to create a partial denial-of-service condition on the system where Workstation or Horizon Client for Windows is installed. Exploitation is only possible if virtual printing has been enabled. This feature is not enabled by default on Workstation but it is enabled by default on Horizon Client.
Credit: security@vmware.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Vmware Horizon Client | >=5.0.0<5.4.4 | |
| VMware Workstation Player | >=15.0.0<16.0.0 | |
| VMware Workstation Pro | >=15.0.0<16.0.0 |
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Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID is CVE-2020-3989.
What software is affected by this vulnerability?
VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) are affected.
What is the severity of CVE-2020-3989?
The severity of CVE-2020-3989 is low.
How can this vulnerability be exploited?
A malicious actor with normal access to a virtual machine may exploit this vulnerability to create a denial of service condition.
Is there a fix available for this vulnerability?
Yes, VMware has released a fix for this vulnerability. Please refer to the advisory (link provided) for more information.
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