Out-of-bounds read in VMware Fusion and VMware Workstation - CVE-2023-20870
Published: April 25, 2023 / Updated: May 2, 2023
Vulnerability identifier: #VU75489
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-20870
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
VMware Fusion
VMware Workstation
VMware Workstation
How to mitigate CVE-2023-20870
Install updates from vendor's website.
VMware Fusion - update to 13.0.2
VMware Workstation - update to 17.0.2
VMware Workstation - update to 17.0.2