Workstation and Fusion updates address a denial-of-service Vulnerabilities

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VMSA-2018-0008
Workstation and Fusion updates address a denial-of-service             vulnerability
VMware Security Advisory

Advisory ID:
VMSA-2018-0008
Severity:
Important
Synopsis:
Workstation and Fusion updates address a denial-of-service vulnerability
Issue date:
2018-03-15
Updated on:
2018-03-15 (Initial Advisory)
CVE numbers:
CVE-2018-6957

1. Summary

Workstation and Fusion updates address a denial-of-service vulnerability
2. Relevant Products

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

3. Problem Description

Denial-of-service vulnerability through VNC

VMware Workstation and Fusion contain a denial-of-service vulnerability which can be triggered by opening a large number of VNC sessions.  
    

Note: In order for exploitation to be possible on Workstation and Fusion, VNC must be manually enabled.
 

VMware would like to thank Lilith Wyatt of Cisco Talos for reporting this issue to us.

 

The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the identifier CVE-2018-6957 to this issue.


Column 5 of the following table lists the action required to remediate the vulnerability in each release, if a solution is available.
VMware Product
Product Version
Running on
Severity
Replace with/ Apply Patch
Mitigation/ Workaround
Workstation
14.x
Any
Important
14.1.1
None
Workstation
12.x
Any
Important
N/A
Fusion
10.x
OS X
Important
10.1.1
None
Fusion
8.x
OS X
Important
N/A





4. Solution



Please review the patch/release notes for your product and version and verify the checksum of your downloaded file.



VMware Workstation Pro 14.1.1

Downloads and Documentation: 

https://www.vmware.com/go/downloadworkstation 

https://www.vmware.com/support/pubs/ws_pubs.html 



VMware Workstation Player 14.1.1

Downloads and Documentation: 

https://www.vmware.com/go/downloadplayer 

https://www.vmware.com/support/pubs/player_pubs.html



VMware Fusion Pro / Fusion 10.1.1
Downloads and Documentation: 
https://www.vmware.com/go/downloadfusion 
https://www.vmware.com/support/pubs/fusion_pubs.html
 

5. References


http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6957

https://kb.vmware.com/s/article/52934



6. Change log



2018-03-15 VMSA-2018-0008

Initial security advisory in conjunction with the release of VMware Workstation and Fusion Workaround KB on 2018-03-15.



7. Contact



E-mail list for product security notifications and announcements:

http://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

http://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 2018 VMware Inc. All rights reserved.

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