AusCERT - ESB-2013.0569 - [Cisco] Cisco IOS: Denial of service

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ESB-2013.0569 - [Cisco] Cisco IOS: Denial of service - Existing account
Date: 23 April 2013

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2013.0569
                  Generic Input/Output SNMP Vulnerability
                               23 April 2013

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

Product:           Cisco IOS
Publisher:         Cisco Systems
Operating System:  Cisco
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2013-1217  

Original Bulletin: 
   http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1217

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Generic Input/Output SNMP Vulnerability 

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1217

CVE ID: CVE-2013-1217 

Release Date: 2013 April 19 09:31 UTC (GMT) 

Last Updated: 2013 April 19 09:31 UTC (GMT)

Summary 

A vulnerability in the generic input/output control mechanism of Cisco
IOS devices could allow an authenticated, remote attacker to trigger a reload
of the Supervisor Engine or the device resulting in a denial of service 
condition.

The vulnerability is due to incorrect buffer handling. An attacker could 
exploit this vulnerability by running multiple simultaneous SNMP queries 
against the affected system. An exploit could allow the attacker to trigger a
reload of the Supervisor Engine or the device resulting in a denial of service
condition.

Affected Products 

Product 		More Information 	CVSS 
IOS 			CSCub41105 		6.8/5.6 

What Is a Cisco Security Notice?

The Cisco Product Security Incident Response Team (PSIRT) publishes Cisco 
Security Notices to inform customers of low- to mid-level severity security 
issues involving Cisco products.

Customers who wish to upgrade to a software version that includes fixes for 
these issues should contact their normal support channels. Free software 
updates will not be provided for issues that are disclosed through a Cisco 
Security Notice.

For additional information about Cisco PSIRT publications, see the Cisco 
Security Vulnerability Policy at 
http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html

Customers Using Third-Party Support Organizations

Customers may have Cisco products that are provided or maintained through 
prior or existing agreements with third-party support organizations, such as 
Cisco Partners, authorized resellers, or service providers. For these 
products, customers should consult their service providers or support 
organizations to ensure that any applied workaround or fix is the most 
appropriate in the intended network before it is deployed. Disclaimer THIS 
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LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO 
CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.

A stand-alone copy or paraphrase of the text of this document that omits the 
distribution URL is an uncontrolled copy, and may lack important information 
or contain factual errors.

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===========================================================================
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The University of Queensland
Brisbane
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