Denial of Service Vulnerability in VMware Workstation and Horizon Client

CVE-2020-3989

What is CVE-2020-3989?

VMware Workstation and Horizon Client for Windows contain a vulnerability in the Cortado ThinPrint component that may allow an attacker with normal access to a virtual machine to exploit an out-of-bounds write issue. If successful, this could lead to a partial denial-of-service condition on the host system where these applications are installed. It is important to note that exploitation is only feasible if the virtual printing feature is enabled, which is not enabled by default in Workstation but is enabled by default in Horizon Client.

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References