VMware Workstation SetGuestInfo Null Pointer Dereference Denial-of-Service Vulnerability [CVE-2020-3999]
CVE Number – CVE-2020-3999
This vulnerability allows local attackers to create a denial-of-service condition on affected installations of VMware Workstation. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability.
The specific flaw exists within the implementation of the SetGuestInfo RPC function. The issue results from dereferencing a null pointer. An attacker can leverage this vulnerability to create a denial-of-service condition on the hypervisor.
Impacted Products
- VMware ESXi
- VMware Workstation
- VMware Fusion
- VMware Cloud Foundation
VMware has issued an update to correct this vulnerability. More details can be found at:
https://www.vmware.com/security/advisories/VMSA-2020-0029.html
Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.