libreswan: IKEv2 pre-authentication Null Pointer deref in EAP code

A null pointer dereference flaw was found in Libreswan's IKEv2 state-machine handling. A remote, unauthenticated attacker can trigger the flaw by sending a malicious IKEv2 IKEAUTH packet, causing the pluto daemon to crash and restart. Repeated exploitation may result in a denial of service. The...