Friday, June 12, 2015

Netiquette IQ Security Bulletin 6/12/15 - Cisco IOS XR Denial-of-Service Vulnerability

National Cyber Awareness System:
06/11/2015 05:24 PM EDT

Original release date: June 11, 2015
Cisco has identified a vulnerability that could allow an unauthenticated remote attacker to cause a denial-of-service condition. The vulnerability is due to improper processing of malformed IPv6 packets carrying extension headers. A Cisco Carrier Routing System 3 (CRS-3) running a version of Cisco IOS XR software prior to 4.2.1 is affected by this vulnerability.
Users and administrators are encouraged to review the Cisco Security Advisory and apply the necessary updates.
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