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AUSCERT External Security Bulletin Redistribution
ESB-2023.0637
VMware Workstation update addresses an arbitrary file
deletion vulnerability (CVE-2023-20854)
3 February 2023
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AusCERT Security Bulletin Summary
---------------------------------
Product: VMware Workstation
Publisher: VMWare
Operating System: Windows
Resolution: Patch/Upgrade
CVE Names: CVE-2023-20854
Original Bulletin:
https://www.vmware.com/security/advisories/VMSA-2023-0003.html
Comment: CVSS (Max): 7.8 CVE-2023-20854 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: VMware
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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Advisory ID: VMSA-2023-0003
CVSSv3 Range: 7.8
Issue Date: 2023-02-02
Updated On: 2023-02-02 (Initial Advisory)
CVE(s): CVE-2023-20854
Synopsis: VMware Workstation update addresses an arbitrary file deletion
vulnerability (CVE-2023-20854)
1. Impacted Products
o VMware Workstation
2. Introduction
An arbitrary file deletion vulnerability in VMware Workstation was privately
reported to VMware. Updates are available to remediate this vulnerability in
the affected VMware product.
3. Arbitrary file deletion vulnerability (CVE-2023-20854)
Description
VMware Workstation contains an arbitrary file deletion vulnerability. VMware
has evaluated the severity of this issue to be in the Important severity range
with a maximum CVSSv3 base score of 7.8.
Known Attack Vectors
A malicious actor with local user privileges on the victim's machine may
exploit this vulnerability to delete arbitrary files from the file system of
the machine on which Workstation is installed.
Resolution
To remediate CVE-2023-20854 update to the version listed in the 'Fixed Version'
column of the 'Response Matrix' found below.
Workarounds
None.
Additional Documentation
None.
Notes
None.
Acknowledgements
VMware would like to thank Frederik Reiter of cirosec GmbH for reporting this
issue to us.
Response Matrix
Product Version Running CVE Identifier CVSSv3 Severity Fixed Workarounds Additional
On Version Documentation
VMware 17.x Windows CVE-2023-20854 7.8 important 17.0.1 None None
Workstation
4. References
Fixed Version(s) and Release Notes:
VMware Workstation 17.0.1:
Downloads and Documentation:
https://customerconnect.vmware.com/en/downloads/info/slug/
desktop_end_user_computing/vmware_workstation_pro/17_0
https://docs.vmware.com/en/VMware-Workstation-Pro/17.0.1/rn/
vmware-workstation-1701-pro-release-notes/index.html
Mitre CVE Dictionary Links:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20854
FIRST CVSSv3 Calculator:
CVE-2023-20854: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/
PR:L/UI:N/S:U/C:H/I:H/A:H
5. Change Log
2023-02-02 VMSA-2023-0003
Initial security advisory.
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