VMSA-2023-0008

• VMware Workstation Pro / Player (Workstation)
• VMware Fusion   

Multiple security vulnerabilities in VMware Workstation and Fusion were privately reported to VMware. Updates and workarounds are available to remediate these vulnerabilities in the affected VMware products.

VMware Workstation and Fusion contain a stack-based buffer-overflow vulnerability that exists in the functionality for sharing host Bluetooth devices with the virtual machine. VMware has evaluated the severity of this issue to be in the Critical severity range with a maximum CVSSv3 base score of 9.3.

A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine’s VMX process running on the host.

To remediate CVE-2023-20869 update to the version listed in the ‘Fixed Version’ column of the ‘Response Matrix’ found below.

Workarounds for CVE-2023-20869 have been listed in the ‘Workarounds’ column of the ‘Response Matrix’ below.

None.

None.

VMware would like to thank STAR Labs, working with the Pwn2Own 2023 Security Contest, for reporting this issue to us.

VMware Workstation and Fusion contain an out-of-bounds read vulnerability that exists in the functionality for sharing host Bluetooth devices with the virtual machine. VMware has evaluated the severity of this issue to be in the Important severity range with a maximum CVSSv3 base score of 7.1.

A malicious actor with local administrative privileges on a virtual machine may be able to read privileged information contained in hypervisor memory from a virtual machine.

To remediate CVE-2023-20870 update to the version listed in the ‘Fixed Version’ column of the ‘Response Matrix’ found below.

Workarounds for CVE-2023-20870 have been listed in the ‘Workarounds’ column of the ‘Response Matrix’ below.

None.

None.

VMware would like to thank STAR Labs, working with the Pwn2Own 2023 Security Contest, for reporting this issue to us.

VMware Fusion contains a local privilege escalation vulnerability. VMware has evaluated the severity of this issue to be in the Important severity range with a maximum CVSSv3 base score of 7.3.

A malicious actor with read/write access to the host operating system can elevate privileges to gain root access to the host operating system.

To remediate CVE-2023-20871 update to the version listed in the ‘Fixed Version’ column of the ‘Response Matrix’ found below.

None.

None.

None.

VMware would like to thank Beist, Chpie, Silenos, and Jz of LINE Security for reporting this issue to us.

VMware Workstation and Fusion contain an out-of-bounds read/write vulnerability in SCSI CD/DVD device emulation. VMware has evaluated the severity of this issue to be in the Important severity range with a maximum CVSSv3 base score of 7.7.

A malicious attacker with access to a virtual machine that has a physical CD/DVD drive attached and configured to use a virtual SCSI controller may be able to exploit this vulnerability to execute code on the hypervisor from a virtual machine.

To remediate CVE-2023-20872 update to the version listed in the ‘Fixed Version’ column of the ‘Response Matrix’ found below.

Workarounds for CVE-2023-20872 have been listed in the ‘Workarounds’ column of the ‘Response Matrix’ below.

None.

Successful exploitation of this issue requires a physical CD/DVD drive attached to the virtual machine configured to use a virtual SCSI controller.

VMware would like to thank Wenxu Yin of 360 Vulnerability Research Institute for reporting this issue to us.

Fixed Version(s) and Release Notes:

VMware Fusion 13.0.2:
Downloads and Documentation:
https://customerconnect.vmware.com/downloads/info/slug/desktop_end_user_computing/vmware_fusion/13_0
https://docs.vmware.com/en/VMware-Fusion/13.0.2/rn/vmware-fusion-1302-release-notes/index.html

VMware Workstation 17.0.2:
Downloads and Documentation:
https://customerconnect.vmware.com/downloads/info/slug/desktop_end_user_computing/vmware_workstation_pro/17_0
https://docs.vmware.com/en/VMware-Workstation-Pro/17.0.2/rn/vmware-workstation-1702-pro-release-notes/index.html

Mitre CVE Dictionary Links:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20869
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20870 
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20871
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20872

FIRST CVSSv3 Calculator:
CVE-2023-20869: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVE-2023-20870: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
CVE-2023-20871: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
CVE-2023-20872: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

2023-04-25 VMSA-2023-0008
Initial security advisory.

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