CVE-2020-3989

Description

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.

References

Link	Tags
https://www.vmware.com/security/advisories/VMSA-2020-0020.html	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-3989?: CVE-2020-3989 has been scored as a low severity vulnerability.
How to fix CVE-2020-3989?: To fix CVE-2020-3989, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-3989 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2020-3989 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-3989?: CVE-2020-3989 affects n/a VMware Workstation and Horizon Client for Windows.

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Description

Category

CWE-787 – Out-of-bounds Write

References

Frequently Asked Questions