CVE-2012-4620 Information

Description

Cisco IOS 12.2 and 15.0 through 15.2 on Cisco 10000 series routers when a tunnel interface exists allows remote attackers to cause a denial of service (interface queue wedge) via tunneled (1) GRE/IP (2) IPIP or (3) IPv6 in IPv4 packets aka Bug ID CSCts66808.

Reference

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-c10k-tunnels http://www.securityfocus.com/bid/55696 http://www.securitytracker.com/id?1027578 https://exchange.xforce.ibmcloud.com/vulnerabilities/78883