NTP CVE-2015-5146 [Sec 2853] Under limited and specific circumstances an attacker can send a crafted packet to cause a vulnerable ntpd instance to crash. This requires each of the following to be true: 1. ntpd set up to allow for remote configuration (not allowed by default), and 2. knowledge of the configuration password, and 3. access to a computer entrusted to perform remote configuration. https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5146
