Memory leak in VMware Workstation and Fusion



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-3995
CWE-ID CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
 VMware Fusion
Client/Desktop applications / Virtualization software

VMware Workstation
Client/Desktop applications / Virtualization software

Vendor VMware, Inc

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Memory leak

EUVDB-ID: #VU47751

Risk: High

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

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

CPE2.3 External links

https://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.



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