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Cisco IOS Software Network Address Translation Denial of Service Vulnerability

Advisory ID: cisco-sa-20140924-nat

Revision 1.0

For Public Release 2014 September 24 16:00 UTC (GMT)

Summary +======

A vulnerability in the Network Address Translation (NAT) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper translation of IP version 4 (IPv4) packets.

Cisco has released free software updates that address this vulnerability.

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

Note: The September 24, 2014, Cisco IOS Software Security Advisory bundled publication includes six Cisco Security Advisories. All advisories address vulnerabilities in Cisco IOS Software. 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_sep14.html