[Security-announce] New VMSA-2018-0008 – Workstation and Fusion updates address a denial-of-service vulnerability

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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 number: 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 Running Replace with/ Mitigation
Product Version on Severity Apply patch Workaround
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D =3D=3D=
=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Workstation 14.x Any Important 14.1.1 None
Workstation 12.x Any Important N/A KB52934
Fusion 10.x OS X Important 10.1.1 None
Fusion 8.x OS X Important N/A KB52934

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=3DCVE-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

Copyright 2018 VMware Inc. All rights reserved.

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            &nb=
sp;           VMware Secu=
rity Advisory

Advisory ID: VMSA-2018-0008
Severity:    Important
Synopsis:    Workstation and Fusion updates address a denial=
-of-service
             vu=
lnerability
Issue date:  2018-03-15
Updated on:  2018-03-15 (Initial Advisory)
CVE number:  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 rep=
orting
   this issue to us.
   
   The Common Vulnerabilities and Exposures project (cve.mitre.or=
g) 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          P=
roduct Running           =
Replace with/  Mitigation
   Product         Versio=
n on      Severity  Apply patch  &n=
bsp; Workaround
   =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D  =3D=3D=3D=3D=
=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D  =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
   Workstation      14.x  &nbs=
p; Any    Important    14.1.1  &nbs=
p;     None
   Workstation      12.x  &nbs=
p; Any    Important     N/A  &=
nbsp;       KB52934
    Fusion        &n=
bsp; 10.x    OS X   Important    10=
.1.1        None    
    Fusion        &n=
bsp; 8.x     OS X   Important  &nbs=
p;  N/A          KB52934
    
 
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  &nb=
sp;
   
   
5. References

   http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-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 V=
Mware
   Workstation and Fusion Workaround KB on 2018-03-15.
   
– ————————————————————————
7. Contact

   E-mail list for product security notifications and announcemen=
ts:
   http://lists.vmware.com/cgi-bin/mailman/listinfo/security-anno=
unce

   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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