VMSA-2008-0015 Updated ESXi and ESX 3.5 packages address critical security issue in openwsman

[VMware Security Team <security () vmware com>]

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                   VMware Security Advisory

Advisory ID:       VMSA-2008-0015
Synopsis:          Updated ESXi and ESX 3.5 packages address critical
                   security issue in openwsman
Issue date:        2008-09-18
Updated on:        2008-09-18 (initial release of advisory)
CVE numbers:       CVE-2008-2234
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1. Summary

    Updated ESXi and ESX 3.5 packages address critical security issue in
    openwsman

2. Relevant releases

    VMware ESXi 3.5 Update 2 without patch ESXe350-200808501-I-SG

    VMware ESX  3.5 Update 2 without patch ESX350-200808413-SG

3. Problem Description

  a.  Updated Openwsman

    Openwsman is a system management platform that implements the Web
    Services Management protocol (WS-Management). It is installed and
    running by default. It is used in the VMware Management Service
    Console and in ESXi.

    The openwsman 2.0.0 management service on ESX 3.5 and ESXi 3.5 is
    vulnerable to the following issue found by the SuSE Security-Team:
    
    - Two remote buffer overflows while decoding the HTTP basic
      authentication header

    This vulnerability could potentially be exploited by users without
    valid login credentials.
 
    Openwsman before 2.0.0 is not vulnerable to this issue. The ESXi
    3.5 patch ESXe350-200808201-O-UG updated openwsman to version 2.0.0.
    The ESX 3.5 patch ESX350-200808205-UG updated openwsman to version
    2.0.0. These patches are installed as part of the ESX and ESXi
    Upgrade 2 release. The ESX patch can be installed individually.

    Version Information and Workaround
    The following VMware KB articles provide information on how to
    obtain the version of openwsman in your environment and what a
    possible workaround for the issue might be.
    ESXi 3.5
      Refer to the VMware KB article at http://kb.vmware.com/kb/1005818.
    ESX 3.5
      Refer to the VMware KB article at http://kb.vmware.com/kb/1006878.

    Note: This vulnerability can be exploited remotely only if the
          attacker has access to the service console network.
          Security best practices provided by VMware recommend that the
          service console be isolated from the VM network. Please see
          http://www.vmware.com/resources/techresources/726 for more
          information on VMware security best practices.

    The Common Vulnerabilities and Exposures Project (cve.mitre.org)
    has assigned the name CVE-2008-2234 this issue.

    The following table lists what action remediates the vulnerability
    (column 4) if a solution is available.

    VMware         Product   Running  Replace with/
    Product        Version   on       Apply Patch
    =============  ========  =======  =================
    VirtualCenter  any       Windows  not affected
 
    hosted *       any       any      not affected

    ESXi           3.5 **    ESXi     ESXe350-200808501-I-SG
    ESXi           3.5 ***   ESXi     not affected

    ESX            3.5 **    ESX      ESX350-200808413-SG
    ESX            3.5 ***   ESX      not affected
    ESX            3.0.3     ESX      not affected
    ESX            3.0.2     ESX      not affected
    ESX            3.0.1     ESX      not affected
    ESX            2.5.5     ESX      not affected
    ESX            2.5.4     ESX      not affected

    * hosted products are VMware Workstation, Player, ACE, Server, Fusion.
    ** ESX and ESXi running openwsman 2.0.0
    *** ESX and ESXi running version of openwsman before 2.0.0
    
    Note: When the SuSE Security-Team reported this openwsman security
          issue, it also reported the openwsman issue described in
          CVE-2008-2233. No VMware product is affected by the security
          vulnerability described in CVE-2008-2233.

4. Solution

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

   ESXi
   ----

   ESXi 3.5 patch ESXe350-200808501-O-SG
   http://download3.vmware.com/software/esx/ESXe350-200808501-O-SG.zip
   md5sum: bee3e2da8054e46686e446e8dc49040e
   http://kb.vmware.com/kb/1005818

   NOTE: ESXe350-200808501-O-SG contains the following patch bundles:
   ESXe350-200808501-I-SG, ESXe350-200808502-T-BG, and
   ESXe350-200808203-C-UG

   ESX
   ---

   ESX 3.5 patch ESX350-200808413-SG
   http://download3.vmware.com/software/esx/ESX350-200808413-SG.zip
   md5sum: 2a683d099c28315475db53bd459dcc07
   http://kb.vmware.com/kb/1006878

5. References

   CVE numbers
   http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2234

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6. Change log

2008-09-18  VMSA-2008-0015
Initial security advisory after the release of ESXi 3.5 and ESX 3.5
patches on 2008-09-18.
 
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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
  * full-disclosure at lists.grok.org.uk

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

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

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

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Copyright 2008 VMware Inc.  All rights reserved.

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