SERVER-OTHER -- Snort has detected traffic exploiting vulnerabilities in a server in the network.
SERVER-OTHER NTP crypto-NAK denial of service attempt
This event is generated when an attempt to exploit a vulnerability in NTP is detected. Impact: Detection of a Denial of Service Attack Details: Ease of Attack:
No public information
No known false positives
Cisco Talos Intelligence Group
Tactic:
Technique:
For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org
CVE-2016-4957ntpd 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. |
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