Denial of service in VMware ESXi, Workstation and Fusion



Published: 2020-05-29
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-3959
CWE-ID CWE-401
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		VMware ESXi
Operating systems & Components / Operating system

VMware Workstation
Client/Desktop applications / Virtualization software

VMware Fusion
Client/Desktop applications / Virtualization software

Vendor VMware, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Memory leak

EUVDB-ID: #VU28339

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 - Missing release of memory after effective lifetime

Exploit availability: No

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

External links

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


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.



###SIDEBAR###