Vulnerability identifier: #VU28339

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3959

CWE-ID: CWE-401

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
VMware ESXi
Operating systems & Components / Operating system
VMware Workstation
Client/Desktop applications / Virtualization software
VMware Fusion
Client/Desktop applications / Virtualization software

Vendor: VMware, Inc

Description
The vulnerability allows a local user to perform denial of service (DoS) attack on the target system.

The vulnerability exists due memory leak in the VMCI module. A local user can force the application to leak memory and perform denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VMware ESXi: 6.5 - 6.7

VMware Workstation: 15.0.0 - 15.0.4

VMware Fusion: 11.0.0 - 11.0.3

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External links
http://www.vmware.com/security/advisories/VMSA-2020-0011.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.