Cisco Security Advisory: Multiple Vulnerabilities in Cisco IOS Software Multicast Domain Name System

[Cisco Systems Product Security Incident Response Team <psirt () cisco com>]

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Multiple Vulnerabilities in Cisco IOS Software Multicast Domain Name System

Advisory ID: cisco-sa-20140924-mdns

Revision 1.0

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

Summary
+======

The Cisco IOS Software implementation of the multicast Domain Name System (mDNS) feature contains the following 
vulnerabilities when processing mDNS packets that could allow an unauthenticated, remote attacker to cause a denial of 
service (DoS) condition:

Cisco IOS Software mDNS Gateway Memory Leak Vulnerability
Cisco IOS Software mDNS Gateway Denial of Service Vulnerability
Cisco has released free software updates that address these vulnerabilities. This advisory is available at the 
following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-mdns

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



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