The kernel in Apple iOS before 8.3, Apple OS X before 10.10.3, and Apple TV before 7.2 makes routing changes in response to ICMP_REDIRECT messages, which allows remote attackers to cause a denial of service (network outage) or obtain sensitive packet-content information via a crafted ICMP packet.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.