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ESX 3.0.0, Patch ESX-1000080: Kerberos Sercurity Update

Details

Security Issues

This patch provides updates to the Kerberos network authentication packages provided in the VMware ESX Server Service Console. Possible vulnerabilities have been found with the krb5 telnet daemon, the Kerberos KDC, and kadmin. Although these features are not enabled in the Service Console by default, VMware recommends that all users apply this patch.

The Common Vulnerabilities and Exposures project (cve.mitre.org) assigned the names CVE-2007-0956, CVE-2007-0957, and CVE-2007-1216 to this issue.

Solution

Applicability

This patch is for ESX Server 3.0.0 only. For the related patch for ESX 3.0.1, please see http://kb.vmware.com/kb/1000073

Download Instructions

Download and verify the patch bundle as follows :

  1. Download patch ESX-1000080 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 -p /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-1000080.tgz

  7. The md5 checksum output should match the following:

    ea6c2db9554adc15e506a3f0ece6976a ESX-1000080.tgz

  8. Extract the compressed tar archive:

    # tar -xvzf ESX-1000080.tgz

  9. Change to the newly created directory, /var/updates/ESX-1000080:

    # cd ESX-1000080

Installation Instructions

Note: There is no need to shut down the virtual machines on the host or to migrate them using VMotion before applying the patch. No reboot of the ESX Server Host is required after applying this patch.

Once 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-1000080 update

for example, if the host is called depot:

# esxupdate -r file:///depot/var/updates/ESX-1000080 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 file://<directory>/ESX-1000080 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

kerberos;esxpatch;esx300

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