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Cisco IPv6 Denial of Service Vulnerability

March 6, 2015, Written by 0 comment

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. Cisco Network Convergence System 6000 (NCS 6000) and Cisco Carrier Routing System X (CRS-X) running an affected version of Cisco IOS XR Software are affected by this vulnerability.

Users and administrators are encouraged to review the Cisco Advisory (link is external) and apply the necessary updates.
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150220-ipv6

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