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ESX Server 3.0.2, Patch ESX-1007673: Security Update to SNMP in the Service Console

Details

Release Date: 01/30/09
Document Last Updated: 01/30/09
 

af4a36d2b4d731177210c789df844974

 
Product Versions
ESX Server 3.0.2
Patch Classification
Security 
Supersedes
Virtual Machine Migration or Reboot Required
No 
ESX Server Host Reboot Required
No
PRs Fixed
345333 
Affected Hardware
snmpd server
Affected Software
None
RPMs Included
net-snmp-5, net-snmp-libs, net-snmp-utils
Related CVE numbers
CVE-2008-4309 

Summary

net-snmp is an implementation of the Simple Network Management Protocol (SNMP). SNMP is used by network management systems to monitor hosts. A denial-of-service flaw was found in the way Net-SNMP processes SNMP GETBULK requests. A remote attacker who issued a specially-crafted request could cause the snmpd server to crash. The Common Vulnerabilities and Exposures Project (cve.mitre.org) has assigned the name CVE-2008-4309 to this issue.

Solution

Symptoms

None

Deployment Considerations

None 

Download Instructions

Download and verify the patch bundle as follows:

  1. Download patch ESX-1007673 from http://www.vmware.com/download/vi/vi3_patches.html.

  2. Log in to 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-1007673.tgz

    The md5 checksum output should match the following:

    af4a36d2b4d731177210c789df844974 ESX-1007673.tgz

  7. Extract the compressed tar archive:

    # tar -xvzf ESX-1007673.tgz

  8. Change to the newly created directory, /var/updates/ESX-1007673:

    # cd ESX-1007673

Installation Instructions

After you download and extract the archive, and if you are in the directory that you previously created, use the following command to install the update:

# esxupdate update

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

# esxupdate -r file://<directory>/ESX-1007673 update

For example, if the host is called depot:

# esxupdate -r file:///depot/var/updates/ESX-1007673 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-1007673 update

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

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