K32790144 : NTP vulnerability CVE-2015-7973

Security Advisory Description

NTP before 4.2.8p6 and 4.3.x before 4.3.90, when configured in broadcast mode, allows man-in-the-middle attackers to conduct replay attacks by sniffing the network. (CVE-2015-7973)
Impact
If an NTP network is configured for broadcast operations, then either a man-in-the-middle attacker or a malicious participant that has the same trusted keys as the victim can replay time packets.