==================================================================== CERT-Renater Note d'Information No. 2020/VULN698 _____________________________________________________________________ DATE : 18/12/2020 HARDWARE PLATFORM(S): / OPERATING SYSTEM(S): Systems running VMware ESXi versions prior to ESXi70U1c-17325551, VMware Workstation versions prior to 16.0, 15.5.7, VMware Fusion versions prior to 12.0, 11.5.7, VMware Cloud Foundation versions 4.x. ===================================================================== https://www.vmware.com/security/advisories/VMSA-2020-0029.html _____________________________________________________________________ Advisory ID: VMSA-2020-0029 CVSSv3 Range: 3.3 Issue Date: 2020-12-17 Updated On: 2020-12-17 (Initial Advisory) CVE(s): CVE-2020-3999 Synopsis: VMware ESXi, Workstation, Fusion and Cloud Foundation updates address a denial of service vulnerability (CVE-2020-3999) 1. Impacted Products VMware ESXi VMware Workstation VMware Fusion VMware Cloud Foundation 2. Introduction A denial of service vulnerability in VMware ESXi, Workstation and Fusion was privately reported to VMware. Updates are available to address this vulnerability in affected VMware products. 3a. Denial-of-Service Vulnerability due to improper input validation (CVE-2020-3999) Description VMware ESXi, Workstation and Fusion contain a denial of service vulnerability due to improper input validation in GuestInfo. VMware has evaluated the severity of this issue to be in the Low severity range with a maximum CVSSv3 base score of 3.3. Known Attack Vectors A malicious actor with normal user privilege access to a virtual machine can crash the virtual machine's vmx process leading to a denial of service condition. Resolution To remediate CVE-2020-3999 apply the patches 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 Lucas Leong (@_wmliang_) of Trend Micro Zero Day Initiative and Murray McAllister of Insomnia Security - A CyberCX Company for reporting this issue to us. Response Matrix 3a: Product Version Running On CVE Identifier CVSSv3 Severity Fixed Version Workarounds Additional Documentation ESXi 7.0 Any CVE-2020-3999 3.3 low ESXi70U1c-17325551 None None ESXi 6.7 Any CVE-2020-3999 N/A N/A Unaffected N/A N/A ESXi 6.5 Any CVE-2020-3999 N/A N/A Unaffected N/A N/A Workstation 16.x Any CVE-2020-3999 3.3 low 16.0 None None Workstation 15.x Any CVE-2020-3999 3.3 low 15.5.7 None None Fusion 12.x OS X CVW-2020-3999 3.3 low 12.0 None None Fusion 11.x OS X CVE-2020-3999 3.3 low 11.5.7 None None Impacted Product Suites that Deploy Response Matrix 3a Components: Product Version Running On CVE Identifier CVSSv3 Severity Fixed Version Workarounds Additional Documentation Cloud Foundation (ESXi) 4.x Any CVE-2020-3999 3.3 low Patch pending None None Cloud Foundation (ESXi) 3.x Any CVE-2020-3999 N/A N/A Unaffected N/A N/A 4. References VMware Patch Release ESXi 7.0 ESXi70U1c-17325551 https://my.vmware.com/group/vmware/patch https://docs.vmware.com/en/VMware-vSphere/7.0/rn/vsphere-esxi-70u1c.html VMware Workstation Pro 16.0 Downloads and Documentation: https://www.vmware.com/go/downloadworkstation https://docs.vmware.com/en/VMware-Workstation-Pro/index.html VMware Workstation Player 16.0 Downloads and Documentation: https://www.vmware.com/go/downloadplayer https://docs.vmware.com/en/VMware-Workstation-Player/index.htmlVMware Workstation Pro 15.5.7 https://www.vmware.com/go/downloadworkstation https://docs.vmware.com/en/VMware-Workstation-Pro/index.html VMware Workstation Player 15.5.7 https://www.vmware.com/go/downloadplayer https://docs.vmware.com/en/VMware-Workstation-Player/index.html VMware Fusion 12.0 Downloads and Documentation: https://www.vmware.com/go/downloadfusion https://docs.vmware.com/en/VMware-Fusion/index.html VMware Fusion 11.5.7 Downloads and Documentation: https://www.vmware.com/go/downloadfusion https://docs.vmware.com/en/VMware-Fusion/index.html Mitre CVE Dictionary Links: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3999 FIRST CVSSv3 Calculator: CVE-2020-3999 - https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L 5. Change Log 2020-12-17: VMSA-2020-0029 Initial security advisory. 6. Contact E-mail list for product security notifications and announcements: https://lists.vmware.com/cgi-bin/mailman/listinfo/security-announce This Security Advisory is posted to the following lists: security-announce@lists.vmware.com bugtraq@securityfocus.com fulldisclosure@seclists.org E-mail: security@vmware.com PGP key at: https://kb.vmware.com/kb/1055 VMware Security Advisories https://www.vmware.com/security/advisories VMware Security Response Policy https://www.vmware.com/support/policies/security_response.html VMware Lifecycle Support Phases https://www.vmware.com/support/policies/lifecycle.html VMware Security & Compliance Blog https://blogs.vmware.com/security Twitter https://twitter.com/VMwareSRC Copyright 2020 VMware Inc. All rights reserved. ========================================================= + CERT-RENATER | tel : 01-53-94-20-44 + + 23/25 Rue Daviel | fax : 01-53-94-20-41 + + 75013 Paris | email:cert@support.renater.fr + =========================================================