Memory leak in VMware Workstation and Fusion

1) Memory leak

EUVDB-ID: #VU47751

Risk: High

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3995

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak within the VMCI host driver. A remote attacker can force the application to leak memory and perform denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

VMware Fusion: 11.0.0 - 11.0.3

VMware Workstation: 15.0.0 - 15.0.4

External links

http://www.vmware.com/security/advisories/VMSA-2020-0023.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted file.

Is there known malware, which exploits this vulnerability?

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