#VU26147 Permissions, Privileges, and Access Controls in VMware, Inc products - CVE-2020-3950

Vulnerability identifier: #VU26147

Vulnerability risk: Low

CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2020-3950

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
VMware Fusion
Client/Desktop applications / Virtualization software
VMRC
Client/Desktop applications / Software for system administration
VMware Horizon Client
Client/Desktop applications / Software for system administration

Vendor: VMware, Inc

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper use of setuid binaries. A local user can execute arbitrary code on the system with elevated privileges.

Note: the vulnerability affects VMware Fusion, VMware Remote Console for Mac and Horizon Client for Mac.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VMware Fusion: 11.0.0 - 11.5.1

VMRC: 8.0.0 - 11.0.0

VMware Horizon Client: 3.0.0 - 5.3

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External links
https://www.vmware.com/security/advisories/VMSA-2020-0005.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?

Yes. This vulnerability is being exploited in the wild.