VMSA-2018-0005

VMware Workstation, and Fusion updates resolve use-after          -free and integer-overflow vulnerabilities

VMware Security Advisory
 
VMware Security Advisory Advisory ID:
  VMSA-2018-0005
VMware Security Advisory Severity:
  Critical
VMware Security Advisory Synopsis:
  VMware Workstation, and Fusion updates resolve use-after-free and integer-overflow vulnerabilities
VMware Security Advisory Issue date:
  2018-01-10
VMware Security Advisory Updated on:
  2018-01-10 (Initial Advisory)
VMware Security Advisory CVE numbers:
  CVE-2017-4949, CVE-2017-4950
 
1. Summary

VMware Workstation, and Fusion updates resolve use-after-free and integer-overflow vulnerabilities

2. Relevant Products
  • VMware Workstation Pro / Player (Workstation)
  • VMware Fusion Pro / Fusion (Fusion)
3. Problem Description

a. Use-after-free vulnerability in VMware NAT service

VMware Workstation and Fusion contain a use-after-free vulnerability in VMware NAT service when IPv6 mode is enabled. This issue may allow a guest to execute code on the host.
  

Note: IPv6 mode for VMNAT is not enabled by default.
  

VMware would like to thank WenQunWang of Tencent's Xuanwu LAB for reporting this issue to us.
  

The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the identifier CVE-2017-4949 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
VMware Product Workstation
Product Version 14.x
Running on Any
Severity Critical
Replace with/ Apply Patch 14.1.1
Mitigation/ Workaround None
VMware Product Workstation
Product Version 12.x
Running on Any
Severity Critical
Replace with/ Apply Patch 12.5.9
Mitigation/ Workaround None
VMware Product Fusion
Product Version 10.x
Running on OS X
Severity Critical
Replace with/ Apply Patch 10.1.1
Mitigation/ Workaround None
VMware Product Fusion
Product Version 8.x
Running on OS X
Severity Critical
Replace with/ Apply Patch 8.5.10
Mitigation/ Workaround None

 

 

 

b. Integer-overflow vulnerability in VMware NAT service

VMware Workstation and Fusion contain an integer overflow vulnerability in VMware NAT service when IPv6 mode is enabled. This issue may lead to an out-of-bound read which can then be used to execute code on the host in conjunction with other issues.

 

Note: IPv6 mode for VMNAT is not enabled by default.
  

VMware would like to thank WenQunWang of Tencent's Xuanwu LAB for reporting this issue to us.
  

The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the identifier CVE-2017-4950 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
VMware Product Workstation
Product Version 14.x
Running on Any
Severity Important
Replace with/ Apply Patch 14.1.1
Mitigation/ Workaround None
VMware Product Workstation
Product Version 12.x
Running on Any
Severity Important
Replace with/ Apply Patch 12.5.9
Mitigation/ Workaround None
VMware Product Fusion
Product Version 10.x
Running on OS X
Severity Important
Replace with/ Apply Patch 10.1.1
Mitigation/ Workaround None
VMware Product Fusion
Product Version 8.x
Running on OS X
Severity Important
Replace with/ Apply Patch 8.5.10
Mitigation/ Workaround None

 

 

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 Workstation Pro 12.5.9

Downloads and Documentation:

https://my.vmware.com/web/vmware/info/slug/desktop_end_user_computing/vmware_workstation_pro/12_0

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

 

VMware Workstation Player 12.5.9
Downloads and Documentation:
https://my.vmware.com/en/web/vmware/free#desktop_end_user_computing/vmware_workstation_player/12_0

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
   
VMware Fusion Pro / Fusion 8.5.10

 Downloads and Documentation:  
 https://my.vmware.com/web/vmware/info/slug/desktop_end_user_computing/vmware_fusion/8_0  
https://www.vmware.com/support/pubs/fusion_pubs.html

 

6. Change log

 

2018-01-10 VMSA-2017-0005
Initial security advisory in conjunction with the release of VMware Workstation 12.5.9 on 2018-01-10.

 

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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