An issue was discovered in ONOS 2.5.1. To attack an intent installed by a normal user, a remote attacker can install a duplicate intent wit…

An issue was discovered in ONOS 2.5.1. To attack an intent installed by a normal user, a remote attacker can install a duplicate intent with a different key, and then remove the duplicate one. This will remove the flow rules of the intent, even though the intent still exists in the controller.