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NEW VMSA-2014-0005 - VMware Workstation, Player, Fusion, and ESXi patches address a guest privilege escalation
From: "\"VMware Security Response Center\"" <security () vmware com>
Date: Thu, 29 May 2014 21:24:53 -0700 (PDT)


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VMware Security Advisory

Advisory ID: VMSA-2014-0005
Synopsis: VMware Workstation, Player, Fusion, and ESXi patches address
a guest privilege escalation
Issue date:  2014-05-29
Updated on:  2014-05-29 (initial advisory)
CVE numbers: CVE-2014-3793
- -------------------------------------------------------------------------

1. Summary

   VMware Workstation, Player, Fusion, and ESXi patches address a
   vulnerability in VMware Tools which could result in a privilege
   escalation on Microsoft Windows 8.1.

2. Relevant Releases

   VMware Workstation 10.x prior to version 10.0.2

   VMware Player 6.x prior to version 6.0.2

   VMware Fusion 6.x prior to version 6.0.3

   ESXi 5.5 without patch ESXi550-201403102-SG
   ESXi 5.1 without patch ESXi510-201404102-SG
   ESXi 5.0 without patch ESXi500-201405102-SG

3. Problem Description

   a. Guest privilege escalation in VMware Tools

      A kernel NULL dereference vulnerability was found in VMware
      Tools running on Microsoft Windows 8.1. Successful exploitation
      of this issue could lead to an escalation of privilege in the
      guest operating system.

      VMware would like to thank Tavis Ormandy from the Google Security
      Team for reporting this issue to us.
 
      The vulnerability does not allow for privilege escalation from
      the Guest Operating System to the host. This means that host
      memory can not be manipulated from the Guest Operating System. 

      The Common Vulnerabilities and Exposures project (cve.mitre.org)
      has assigned the name CVE-2014-3793 to this issue.

      Column 4 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/
      Product          Version  on        Apply Patch *
      ==============   =======  =======   =============

      Workstation      10.x     any       10.0.2 or later
      Workstation      9.x      any       Not affected **

      Player           6.x      any       6.0.2 or later
      Player           5.x      any       Not affected **

      Fusion           6.x      OSX       6.0.3 or later
      Fusion           5.x      OSX       Not affected **

      ESXi             5.5      ESXi      ESXi550-201403102-SG
      ESXi             5.1      ESXi      ESXi510-201404102-SG
      ESXi             5.0      ESXi      ESXi500-201405102-SG

      * After the update or patch is applied, VMware Guest Tools must
      be updated in any pre-existing Windows 8.1 Guest Operating System
      followed by a reboot of the guest system.

      ** Workstation 9.x, Player 5.x and Fusion 5.x do not support
      Windows 8.1 Guest Operating Systems

4. Solution

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

   Workstation 10.x
   ----------------------
   https://www.vmware.com/go/downloadworkstation

   VMware Player 6.x 
   ------------------
   https://www.vmware.com/go/downloadplayer

   Fusion 6.x 
   ------------------
   https://www.vmware.com/go/downloadfusion

   ESXi 5.5
   ----------------------------
   File: update-from-esxi5.5-5.5_update01.zip
   md5sum: 5773844efc7d8e43135de46801d6ea25
   sha1sum: 6518355d260e81b562c66c5016781db9f077161f
   http://kb.vmware.com/kb/2065832
   update-from-esxi5.5-5.5_update01 contains ESXi550-201403102-SG

   ESXi 5.1
   ----------------------------
   File: ESXi510-201404001.zip
   md5sum: 9dc3c9538de4451244a2b62d247e52c4
   sha1sum: 6b1ea36a2711665a670afc9ae37cdd616bb6da66
   http://kb.vmware.com/kb/2070666
   ESXi510-201404001 contains ESXi510-201404102-SG

   ESXi 5.0
   ----------------------------
   File: ESXi500-201405001.zip
   md5sum: 7cd1afc97f5f1e4b4132c90835f92e1d
   sha1sum: 4bd77eeb5d7fc65bbb6f25762b0fa74fbb9679d5
   http://kb.vmware.com/kb/2075521
   ESXi500-201405001 contains ESXi500-201405102-SG


5. References

   http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3793

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6. Change Log

   2014-05-29 VMSA-2014-0005
   Initial security advisory in conjunction with the release of
   ESXi 5.0 patches on 2014-05-29

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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 at lists.vmware.com
   * bugtraq at securityfocus.com
   * fulldisclosure at seclists.org

   E-mail: security at vmware.com
   PGP key at: http://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
 
   Twitter
   https://twitter.com/VMwareSRC

   Copyright 2014 VMware Inc.  All rights reserved.

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