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https://www.vmware.com/security/advisories/VMSA-2023-0019.html
Submission: On February 19 via api from ZA — Scanned from DE
Submission: On February 19 via api from ZA — Scanned from DE
Form analysis
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Text Content
Skip to Promo Skip to main content Global Search SUGGESTED SEARCHES US Store Login Cloud Services Console Customer Connect Partner Connect * Products * Solutions * Partners * Resources Main Menu Cloud Services Console Customer Connect Partner Connect Search CONTACT SALES Global Search SUGGESTED SEARCHES Main Menu ANYWHERE WORKSPACE Access Any App on Any Device Securely * Horizon * Horizon Cloud * Workspace ONE * Workspace ONE UEM APP PLATFORM Build and Operate Cloud Native Apps * Tanzu CLOUD & EDGE INFRASTRUCTURE Run Enterprise Apps Anywhere * Cloud Foundation * SD-WAN/SASE * Telco Cloud * vSAN * vSphere * VMware Cloud Disaster Recovery CLOUD MANAGEMENT Automate and Optimize Apps and Clouds * VMware Aria * CloudHealth * Skyline DESKTOP HYPERVISOR Manage apps in a local virtualization sandbox * Fusion for Mac * Workstation Player * Workstation Pro SECURITY & NETWORKING Connect and Secure Apps and Clouds * Carbon Black Cloud * Carbon Black Endpoint * NSX * NSX Advanced Load Balancer * NSX Distributed Firewall RUN VMWARE ON ANY CLOUD. ANY ENVIRONMENT. ANYWHERE. ON PUBLIC & HYBRID CLOUDS * Alibaba Cloud VMware Service * Azure VMware Solution * Google Cloud VMware Engine * IBM Cloud for VMware Solutions * Oracle Cloud VMware Solutions * VMware Cloud on AWS * VMware Cloud on AWS GovCloud (US) ON PRIVATE & LOCAL CLOUDS * Dell EMC VxRail * VMware Cloud on Equinix Metal * VMware on AWS Outposts * VMware Verified Cloud Providers SEE ALL PRODUCTS SEE PRICING * SaaS (Subscription) product version available Main Menu SOLUTIONS ANYWHERE WORKSPACE ACCESS ANY APP ON ANY DEVICE SECURELY APP PLATFORM BUILD AND OPERATE CLOUD NATIVE APPS CLOUD INFRASTRUCTURE RUN ENTERPRISE APPS ANYWHERE CLOUD MANAGEMENT AUTOMATE AND OPTIMIZE APPS AND CLOUDS EDGE INFRASTRUCTURE ENABLE THE MULTI-CLOUD EDGE NETWORKING ENABLE CONNECTIVITY FOR APPS AND CLOUDS SECURITY SECURE APPS AND CLOUDS BY INDUSTRY * Communications Service Providers * Department of Defense * Federal Government * Financial Services * Healthcare Providers * State and Local Government VMWARE AI SOLUTIONS Accelerate and ensure the success of your generative AI initiatives with multi-cloud flexibility, choice, privacy and control. LEARN MORE SEE ALL SOLUTIONS SEE ALL INDUSTRIES Main Menu FOR CUSTOMERS * Find a Cloud Provider * Find a Partner * VMware Marketplace * Work with a Partner FOR PARTNERS * Become a Cloud Provider * Cloud Partner Navigator * Get Cloud Verified * Learning and Selling Resources * Partner Connect Login * Partner Executive Edge * Technology Partner Hub * Work with VMware WORKING TOGETHER WITH PARTNERS FOR CUSTOMER SUCCESS A new, simplified partner program to help achieve even greater opportunities for profitability. READ NEW PARTNER FAQ Main Menu TOOLS & TRAINING * VMware Customer Connect * VMware Trust Center * Learning & Certification * Tech Zone * Product Downloads * Product Trials * Cloud Services Engagement Platform * Hands-on Labs SERVICES * Professional Services * Customer Success SUPPORT * VMware Customer Connect * Support Offerings * Skyline * Support Customer Welcome Center MARKETPLACE * Cloud Marketplace * VMware Marketplace VIDEOS * VMware Video Library * VMware Explore Video Library BLOGS & COMMUNITIES * Blogs * Podcasts * News & Stories * Communities CUSTOMERS * Customer Stories EVENTS * VMware Explore * SpringOne * All Events & Webcasts SEE ALL RESOURCES Ellipsis VMware Security Solutions Advisories VMSA-2023-0019.1 Important Advisory ID: VMSA-2023-0019.1 CVSSv3 Range: 7.1 Issue Date: 2023-08-31 Updated On: 2023-09-05 CVE(s): CVE-2023-20900 Synopsis: VMware Tools updates address a SAML Token Signature Bypass Vulnerability (CVE-2023-20900) RSS Feed Download PDF Download Text File Share this page on social media: Sign up for Security Advisories SIGN UP FOR SECURITY ADVISORIES Stay up to date on the latest VMware Security advisories and updates. Close *Email 1. IMPACTED PRODUCTS * VMware Tools 2. INTRODUCTION A SAML token signature bypass vulnerability in VMware Tools was responsibly reported to VMware. Updates are available to remediate this vulnerability in the affected VMware products. 3. SAML TOKEN SIGNATURE BYPASS VULNERABILITY (CVE-2023-20900) Description VMware Tools contains a SAML token signature bypass vulnerability. VMware has evaluated the severity of this issue to be in the Important severity range with a maximum CVSSv3 base score of 7.1. Known Attack Vectors A malicious actor that has been granted Guest Operation Privileges in a target virtual machine may be able to elevate their privileges if that target virtual machine has been assigned a more privileged Guest Alias. Resolution To remediate CVE-2023-20900 apply the patches listed in the 'Fixed Version' column of the 'Response Matrix' found below. Workarounds None. Additional Documentation None. Notes [1] VMware Tools 10.3.26 only applies to the older Linux releases. [2] A version of open-vm-tools that addresses CVE-2023-20900 will be distributed by Linux vendors. [3] Fixed versions may differ based on the Linux distribution version and the distribution vendor. Acknowledgements VMware would like to thank Peter Stöckli of GitHub Security Lab for reporting this issue to us. Response Matrix Product Version Running On CVE Identifier CVSSv3 Severity Fixed Version Workarounds Additional Documentation VMware Tools 12.x.x, 11.x.x, 10.3.x Windows CVE-2023-20900 7.1 important 12.3.0 None None VMware Tools 10.3.x Linux CVE-2023-20900 7.1 important [1] 10.3.26 None None [2] VMware Tools (open-vm-tools) 12.x.x, 11.x.x, 10.3.x Linux CVE-2023-20900 7.1 important [3] 12.3.0 None None 4. REFERENCES Fixed Version(s) and Release Notes: VMware Tools for Windows 12.3.0 Downloads and Documentation: https://customerconnect.vmware.com/downloads/details?downloadGroup=VMTOOLS1230&productId=1259 https://docs.vmware.com/en/VMware-Tools/12.3/rn/vmware-tools-1230-release-notes/index.html VMware Tools for Linux 10.3.26 Downloads and Documentation: https://customerconnect.vmware.com/downloads/details?downloadGroup=VMTOOLS10326&productId=742 https://docs.vmware.com/en/VMware-Tools/10.3/rn/vmware-tools-10326-release-notes/index.html Mitre CVE Dictionary Links: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20900 FIRST CVSSv3 Calculator: CVE-2023-20900: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H 5. CHANGE LOG 2023-08-31 VMSA-2023-0019 Initial security advisory. 2023-09-05 VMSA-2023-0019.1 Updated VMSA to clarify the known attack vectors. 6. CONTACT 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 2023 VMware Inc. All rights reserved. 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