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ESX Server 3.0.0, Patch ESX-3713510: Invalid MAC Address Can Cause ESX Server Host Crash

Details

Security Issues

This patch fixes an issue where setting an invalid MAC address within the guest operating system of a virtual machine can cause a crash of the ESX Server host and possibly incur a denial of service to occur on the ESX Server host.

The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2007-1668 to this issue.

Solution

Applicability

This patch is for ESX Server 3.0.0 only. For the related patch for ESX Server 3.0.1, please refer to http://kb.vmware.com/kb/2257739.

Installing the Patch

Download Instructions

Download and verify the patch bundle as follows:

  1. Download patch ESX-3713510 from http://www.vmware.com/download/vi/vi3_patches.html.
  2. Log into the ESX Server service console as root.
  3. Create a local depot directory.

    # mkdir /var/updates

    Note: VMware recommends that you use the updates directory.

  4. Change your working directory to /var/updates.

    # cd /var/updates

  5. Download the tar file into the /var/updates directory.
  6. Verify the integrity of the downloaded tar file.

    # md5sum ESX-3713510.tgz

    The md5 checksum output should match the following:

    8c23a131b16cc7df2e506ec1e8a4d8f0 ESX-3713510.tgz

  7. Extract the compressed tar archive.

    # tar -xvzf ESX-3713510.tgz

  8. Change to the newly created directory, /var/updates/ESX-3713510.

    # cd ESX-3713510

Installation Instructions
Note: All virtual machines on the host must be either shut down or migrated using VMotion before applying the patch. A reboot of the ESX Server host is required after applying this patch.

After you have downloaded and extracted the archive, and if you are in the directory you created above, install the update using the following command:

# esxupdate update

If you want to run esxupdate from a different directory, you must specify the bundle path in the command:

# esxupdate -r file://<directory>/ESX-3713510 update

For example, if the host is called depot:

# esxupdate –r file:///depot/var/updates/ESX-3713510 update

During the update process, logs appear on the terminal. You can specify the verbosity of esxupdate logs by using the -v option as shown below:

# esxupdate -v 10 -r file://<directory>/ESX-3713510 update

For more information on using esxupdate, please refer to the Patch Management for ESX Server 3 tech note at http://www.vmware.com/pdf/esx3_esxupdate.pdf.

Keywords

esx300;esxpatch CVE-2007-1668

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