CVE-2020-3990 Integer overflow in VMware Workstation and Horizon Client for Windows

Medium 6.5 Published 16 Sep 2020 Updated 4 Aug 2024

An integer overflow in the Cortado ThinPrint component allows attackers to leak memory from the TPView process if virtual printing is enabled.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-3990?

CVE-2020-3990 is a medium-severity vulnerability in VMware Workstation and Horizon Client for Windows, published on 16 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) contain an information disclosure vulnerability due to an integer overflow issue in Cortado ThinPrint component. A malicious actor with normal access to a virtual machine may be able to exploit this issue to leak memory from TPView process running 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.

Weakness: CWE-190, CWE-125

Which versions are affected by CVE-2020-3990?

It affects 3 products.

Products include Vmware Horizon Client, Vmware Workstation Player, Vmware Workstation Pro.

How do I fix CVE-2020-3990?

No fix has been published for CVE-2020-3990 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-3990 being exploited?

There is no known exploitation of CVE-2020-3990 in the wild and no public exploit code.

Sources

Also known as GHSA-pvj6-h4hj-8v43.