Vulnerability identifier: #VU75489

Vulnerability risk: Medium

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

CVE-ID: CVE-2023-20870

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

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

Vendor: VMware, Inc

Description

The vulnerability allows an attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the UHCI component in the functionality for sharing host Bluetooth devices with the virtual machine. An attacker with administrative access to the guest OS can trigger an out-of-bounds read error and read contents of memory on the host OS.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VMware Workstation: 17.0 - 17.0.1

VMware Fusion: 13.0 - 13.0.1

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External links
http://www.vmware.com/security/advisories/VMSA-2023-0008.html
http://www.zerodayinitiative.com/advisories/ZDI-23-521/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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