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Updated Bind package for the service console fixes a flaw with the way ISC BIND processed certain DNS query responses. ISC BIND (Berkeley Internet Name Domain) is an implementation of the DNS (Domain Name System) protocols. Under some circumstances, a malicious remote user could launch a Denial-of-Service attack on ESX Server hosts that had enabled DNSSEC validation.
There are no symptoms available for this security fix.
This patch resolves the security issue described above.
For the related patch for ESX Server 3.0.1, see KB 1001691. For the related patch for ESX Server 3.0.2, see KB 1001725.
Download and verify the patch bundle as follows :
# mkdir -p /var/updates
Note: VMware recommends that you use the updates directory.
# cd /var/updates
# tar -xvzf ESX-1001206.tgz
# cd ESX-1001206
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
To run esxupdate from a different directory, you must specify the bundle path in the command:
# esxupdate -r file://<directory>/ESX-1001206 update
for example, if the host is called depot:
# esxupdate -r file:///depot/var/updates/ESX-1001206 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-1001206 update
For more information on using esxupdate, refer to the Patch Management for ESX Server 3 tech note at http://www.vmware.com/pdf/esx3_esxupdate.pdf.