Cisco TelePresence Server Crafted IPv6 Packet Handling Denial of Service Vulnerability

A vulnerability in Cisco TelePresence Server devices running software versions 3.0 through 4.2(4.18) could allow an unauthenticated, remote attacker to cause a kernel panic on the device.

The vulnerability exists due to a failure to properly handle a specially crafted stream of IPv6 packets. A successful exploit could allow an attacker to cause a kernel panic, rebooting the device.

Cisco has released software updates that address this vulnerability. Workarounds that mitigate this vulnerability are available.

This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160406-cts[“https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160406-cts”]