#VU75490 Improper access control in VMware Fusion - CVE-2023-20871

Vulnerability identifier: #VU75490

Vulnerability risk: Low

CVSSv4.0: 5.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-20871

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
VMware Fusion
Client/Desktop applications / Virtualization software

Vendor: VMware, Inc

Description

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

The vulnerability exists due to improper access restrictions in raw disk functionality. A local user with read/write access to the host operating system can elevate privileges to gain root access to the host operating system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VMware Fusion: 13.0 - 13.0.1

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External links
https://www.vmware.com/security/advisories/VMSA-2023-0008.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.