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ESB-2014.1329 - [Cisco] Cisco IOS & IOS XE: Denial of service - Remote/unauthenticated

Date: 07 August 2014

Click here for printable version
Click here for PGP verifiable version
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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2014.1329
          Cisco IOS Software and Cisco IOS XE Software EnergyWise
              Crafted Packet Denial of Service Vulnerability
                               7 August 2014

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Cisco IOS
                   Cisco IOS XE
Publisher:         Cisco Systems
Operating System:  Cisco
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade

Original Bulletin: 
   http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140806-energywise

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Cisco IOS Software and Cisco IOS XE Software EnergyWise Crafted Packet Denial of Service Vulnerability

Advisory ID: cisco-sa-20140806-energywise

Revision 1.0

For Public Release 2014 August 6 16:00  UTC (GMT)
+---------------------------------------------------------------------

Summary
=======

A vulnerability in the EnergyWise module of Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a reload of the affected device.

The vulnerability is due to improper parsing of crafted EnergyWise packets destined to an affected device. An attacker could exploit this vulnerability by sending a crafted EnergyWise packet to be processed by an affected device. An exploit could allow the attacker to cause a reload of the affected device.


Cisco has released free software updates that address this vulnerability. 

There are no workarounds for this vulnerability.

This advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140806-energywise

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
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