Knowledge Base

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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:
- Download patch ESX-3713510 from http://www.vmware.com/download/vi/vi3_patches.html.
- Log into the ESX Server service console as root.
- Create a local depot directory.
# mkdir /var/updates
Note: VMware recommends that you use the updates directory.
- Change your working directory to /var/updates.
# cd /var/updates
- Download the tar file into the /var/updates directory.
- Verify the integrity of the downloaded tar file.
# md5sum ESX-3713510.tgz
The md5 checksum output should match the following:
8c23a131b16cc7df2e506ec1e8a4d8f0 ESX-3713510.tgz
- Extract the compressed tar archive.
# tar -xvzf ESX-3713510.tgz
- 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.
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