The Gateway General Packet Radio Service Support Node (GGSN) component on Cisco ASR 5000 devices with software 17.2.0.59184 and 18.0.L0.59219 allows remote attackers to cause a denial of service (Session Manager restart) via an invalid TCP/IP header, aka Bug ID CSCut68058.
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.