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Attacker Value
Unknown

CVE-2016-1547

Disclosure Date: January 06, 2017 (last updated October 05, 2023)
An off-path attacker can cause a preemptible client association to be demobilized in NTP 4.2.8p4 and earlier and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 by sending a crypto NAK packet to a victim client with a spoofed source address of an existing associated peer. This is true even if authentication is enabled.
Attacker Value
Unknown

CVE-2016-4957

Disclosure Date: July 05, 2016 (last updated October 05, 2023)
ntpd in NTP before 4.2.8p8 allows remote attackers to cause a denial of service (daemon crash) via a crypto-NAK packet. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-1547.