#VU75488 Stack-based buffer overflow in VMware Workstation and VMware Fusion - CVE-2023-20869

Vulnerability identifier: #VU75488

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-20869

CWE-ID: CWE-121

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 execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the UHCI component in the functionality for sharing host Bluetooth devices with the virtual machine. An attacker with administrative account on the guest OS can trigger a stack-based buffer overflow and execute arbitrary code as the virtual machine's VMX process running on the host.

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
https://www.vmware.com/security/advisories/VMSA-2023-0008.html
https://www.zerodayinitiative.com/advisories/ZDI-23-522/

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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.