[161837] in North American Network Operators' Group
Cisco Security Advisory: Cisco IOS Software Network Address
daemon@ATHENA.MIT.EDU (Cisco Systems Product Security Inc)
Wed Mar 27 12:52:28 2013
From: Cisco Systems Product Security Incident Response Team <psirt@cisco.com>
To: nanog@nanog.org
Date: Wed, 27 Mar 2013 12:13:56 -0400
Cc: psirt@cisco.com
Reply-To: psirt@cisco.com
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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Cisco IOS Software Network Address Translation Vulnerability
Advisory ID: cisco-sa-20130327-nat
Revision 1.0
For Public Release 2013 March 27 10:00 UTC (GMT)
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Summary
=======
The Cisco IOS Software implementation of the virtual routing and
forwarding (VRF) aware network address translation (NAT) feature
contains a vulnerability when translating IP packets that could allow
an unauthenticated, remote attacker to cause a denial of service (DoS)
condition.
Cisco has released free software updates that address this
vulnerability. Workarounds that mitigate this vulnerability are not
available.
This advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130327-nat
Note: The March 27, 2013, Cisco IOS Software Security Advisory bundled
publication includes seven Cisco Security Advisories. All advisories
address vulnerabilities in Cisco IOS Software. Each Cisco IOS Software
Security Advisory lists the Cisco IOS Software releases that correct
the vulnerability or vulnerabilities detailed in the advisory as well
as the Cisco IOS Software releases that correct all Cisco IOS Software
vulnerabilities in the March 2013 bundled publication.
Individual publication links are in "Cisco Event Response: Semiannual
Cisco IOS Software Security Advisory Bundled Publication" at the
following link:
http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_mar13.html
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