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                   VMware Security Advisory

Advisory ID:       VMSA-2008-0008
Synopsis:          Updates to VMware Workstation, VMware Player,
                   VMware ACE, VMware Fusion resolve critical
                   security issues
Issue date:        2008-05-30
Updated on:        2008-05-30 (initial release of advisory)
CVE numbers:       CVE-2008-2098 CVE-2008-2099
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1. Summary:

   Several critical security vulnerabilities have been addressed
   in the newest releases of VMware's hosted product line.

2. Relevant releases:

   VMware Workstation 6.0.3 and earlier,
   VMware Player 2.0.3 and earlier,
   VMware ACE 2.0.3 and earlier,
   VMware Fusion 1.1.1 and earlier

NOTES: Users of VMware hosted products VMware Workstation 5.x,
       VMware Player 1.x, and VMware ACE 1.x should note that
       although they are not vulnerable to these issue, they
       will reach their end of general support on 2008-11-09.
       Customers should plan to upgrade to the latest version
       of their respective products.

3. Problem description:

 a. VMware HGFS File System Heap Overflow

    The VMware Host Guest File System (HGFS) shared folders feature allows
    users to transfer data between a guest operating system and the
    non-virtualized host operating system that contains it.

    A heap buffer overflow condition is present in VMware HGFS. Exploitation
    of this flaw might allow an unprivileged guest process to execute code
    in the context of the vmx process on the host.

    In order to exploit this vulnerability, the VMware system must have
    at least one folder shared.  Two things must happen for a folder to
    be shared.  1) Shared folders must be enabled, and 2) a folder must
    be selected from the host system to be shared.  No folders are shared
    by default in any version of our products, which means this
    vulnerability is not exploitable by default.  Workstation 6.x,
    Player 2.x, and ACE 2.x have shared folders disabled by default.

    VMware Server, ESX and ESXi do not provide the shared folders feature.
    Because there is no back-end for the HGFS protocol on the virtualization
    host, these products are architecturally immune to this issue.

    This issue might not be exploitable on host operating systems which
    have implemented heap protection.

    VMware would like to thank Andrew Honig of the Department of
    Defense for reporting this issue.

    The Common Vulnerabilities and Exposures project (cve.mitre.org)
    has assigned the name CVE-2008-2098 to this issue.

    VMware        Product   Running  Replace with/
    Product       Version   on       Apply Patch
    ============  ========  =======  =================
    Workstation   6.x       Windows  6.0.4 build 93057
    Workstation   6.x       Linux    6.0.4 build 93057
    Workstation   5.x       Windows  not affected
    Workstation   5.x       Linux    not affected

    Player        2.x       Windows  2.0.4 build 93057
    Player        2.x       Linux    2.0.4 build 93057
    Player        1.x       Windows  not affected
    Player        1.x       Linux    not affected

    ACE           2.x       Windows  2.0.2 build 93057
    ACE           1.x       Windows  not affected

    Server        1.x       Windows  not affected
    Server        1.x       Linux    not affected

    Fusion        1.x       Mac OS/X 1.1.2 build 87978 or later

 b. Windows based VMCI arbitrary code execution vulnerability

    VMCI was introduced in VMware Workstation 6.0, VMware Player 2.0,
    and VMware ACE 2.0.  It is an experimental, optional feature
    that allows virtual machines to communicate with one another.

    With VMCI enabled a guest may execute arbitrary code in the context
    of the vmx process on the host. This is a compiler dependent
    vulnerability and only affects systems running on windows hosts.

    VMware would like to thank Andrew Honig of the Department of
    Defense for reporting this issue.

    The Common Vulnerabilities and Exposures project (cve.mitre.org)
    has assigned the name CVE-2008-2099 to this issues.

    VMware        Product   Running  Replace with/
    Product       Version   on       Apply patch
    ============  ========  =======  =================
    Workstation   6.x       Windows  6.0.4 build 93057
    Workstation   6.x       Linux    not affected
    Workstation   5.x       Windows  not affected
    Workstation   5.x       Linux    not affected

    Player        2.x       Windows  2.0.4 build 93057
    Player        2.x       Linux    not affected
    Player        1.x       Windows  not affected
    Player        1.x       Linux    not affected

    ACE           2.x       Windows  2.0.2 build 93057
    ACE           1.x       Windows  not affected

    Server        1.x       Windows  not affected
    Server        1.x       Linux    not affected

    Fusion        1.x       Mac OS/X not affected


4. Solution:

Please review the release notes for your product and version and verify the
md5sum of your downloaded file.

  VMware Workstation 6.0.4
  ------------------------
  http://www.vmware.com/download/ws/
  Release notes:
  http://www.vmware.com/support/ws6/doc/releasenotes_ws6.html

  Windows binary
  md5sum: f50a05831e94c19d98f363c752fca5f9

  RPM Installation file for 32-bit Linux
  md5sum: e7793b14b995d3b505f093c84e849421

  tar Installation file for 32-bit Linux
  md5sum: a0a8e1d8188f4be03357872a57a767ab

  RPM Installation file for 64-bit Linux
  md5sum: 960d753038a268b8f101f4b853c0257e

  tar Installation file for 64-bit Linux
  md5sum: 4697ec8a9d6c1152d785f3b77db9d539

  VMware Player 2.0.4
  -------------------
  http://www.vmware.com/download/player/
  Release notes Player 1.x:
  http://www.vmware.com/support/player/doc/releasenotes_player.html
  Release notes Player 2.0
  http://www.vmware.com/support/player2/doc/releasenotes_player2.html

  2.0.4 Windows binary
  md5sum: a117664a8bfa7336b846117e5fc048dd

  VMware Player 2.0.4 for Linux (.rpm)
  md5sum: de6ab6364a0966b68eadda2003561cd2

  VMware Player 2.0.4 for Linux (.tar)
  md5sum: 9e1c2bfda6b22a3fc195a86aec11903a

  VMware Player 2.0.4 - 64-bit (.rpm)
  md5sum: 997e5ceffe72f9ce9146071144dacafa

  VMware Player 2.0.4 - 64-bit (.tar)
  md5sum: 18eb4ee49dd7e33ec155ef69d7d259ef

  VMware ACE
  ----------
  http://www.vmware.com/download/ace/
  Release notes 2.0:
  http://www.vmware.com/support/ace2/doc/releasenotes_ace2.html

  VMware-workstation-6.0.4-93057.exe
  md5sum: f50a05831e94c19d98f363c752fca5f9

  VMware-ACE-Management-Server-Appliance-2.0.4-93057.zip
  md5sum: d2ae2246f3d87268cf84c1421d94e86c

  VMware-ACE-Management-Server-2.0.4-93057.exe
  md5sum: 41b31b3392d5da2cef77a7bb28654dbf

  VMware-ACE-Management-Server-2.0.4-93057.i386-rhel4.rpm
  md5sum: 9920be4c33773df53a1728b41af4b109

  VMware-ACE-Management-Server-2.0.4-93057.i386-sles9.rpm
  md5sum: 4ec4c37203db863e8844460b5e80920b


  VMware Fusion 1.1.3
  --------------
  http://www.vmware.com/download/fusion/
  Release notes:
  http://www.vmware.com/support/fusion/doc/releasenotes_fusion.html
  md5sum: D15A3DFD3E7B11FC37AC684586086D


5. References:

   CVE numbers
   http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2098
   http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2099

6. Change log:

2008-05-30  VMSA-2008-0008    Initial release

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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@lists.vmware.com
  * bugtraq@securityfocus.com
  * full-disclosure@lists.grok.org.uk

E-mail:  security@vmware.com
PGP key at: http://kb.vmware.com/kb/1055

VMware Security Center
http://www.vmware.com/security

VMware security response policy
http://www.vmware.com/support/policies/security_response.html

General support life cycle policy
http://www.vmware.com/support/policies/eos.html

VMware Infrastructure support life cycle policy
http://www.vmware.com/support/policies/eos_vi.html

Copyright 2008 VMware Inc.  All rights reserved.


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