CVE-2016-1478

Name of the Vulnerable Software and Affected Versions Cisco IOS versions 15.5(3)S3 through 15.6(2)T1

Description A vulnerability in the processing of Network Time Protocol (NTP) packets by Cisco IOS could allow an unauthenticated, remote attacker to cause an interface wedge and an eventual denial of service (DoS) condition on the affected device. The vulnerability is due to insufficient checks on clearing the invalid NTP packets from the interface queue. An attacker could exploit this vulnerability by sending a number of crafted NTP packets to be processed by an affected device.

Recommendations For Cisco IOS versions 15.5(3)S3 through 15.6(2)T1, update to a newer version that addresses this vulnerability. At the moment, there is no information about a newer version that contains a fix for this vulnerability.