CVE-2020-3962 Use after free in Fusion
A local attacker in a VM with 3D graphics enabled can exploit a use-after-free flaw to execute code on the hypervisor.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-3962?
CVE-2020-3962 is a high-severity use after free vulnerability in Vmware Cloud Foundation, published on 24 Jun 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before ESXi670-202004101-SG and 6.5 before ESXi650-202005401-SG), Workstation (15.x before 15.5.5), and Fusion (11.x before 11.5.5) contain a use-after-free vulnerability in the SVGA device. A malicious actor with local access to a virtual machine with 3D graphics enabled may be able to exploit this vulnerability to execute code on the hypervisor from a virtual machine.
Weakness: CWE-416
Which versions are affected by CVE-2020-3962?
It affects 4 products.
Products include Vmware Cloud Foundation, Vmware Esxi, Vmware Fusion, Vmware Workstation.
How do I fix CVE-2020-3962?
No fix has been published for CVE-2020-3962 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2020-3962 being exploited?
There is no known exploitation of CVE-2020-3962 in the wild and no public exploit code.
Other vulnerabilities in Vmware Cloud Foundation
- CVE-2024-38812 VMware vCenter Server Heap-Based Buffer Overflow
- CVE-2024-37079 Broadcom VMware vCenter Server Out-of-bounds Write
- CVE-2022-22954 VMware Workspace ONE Access and Identity Manager Server-Side Template Injection
- CVE-2021-22005 VMware vCenter Server File Upload
- CVE-2021-21985 VMware vCenter Server Improper Input Validation
Sources
Also known as GHSA-78c8-742h-wm9w.