SERVER-OTHER -- Snort has detected traffic exploiting vulnerabilities in a server in the network.
SERVER-OTHER Network Time Server denial of service attempt
This event is generated when an attempt to exploit CVE-2018-7658 is detected.
Attempted Denial of Service
Network Time System (Server) "NTSServerSvc" service listens on Port 7001, unauthenticated remote attackers can crash the
Server by sending exactly 11 bytes to the target system. Systems which may depend on critical time synchronization
could then potentially be impacted.
Ease of Attack:
Simple, a proof of concept exists in the wild.
What To Look For
No public information
No known false positives
Cisco Talos Intelligence Group
MITRE ATT&CK Framework
For reference, see the MITRE ATT&CK vulnerability types here:
CVE Additional Information
CVE-2018-7658NTSServerSvc.exe in the server in Softros Network Time System 2.3.4 allows remote attackers to cause a denial of service (daemon crash) by sending exactly 11 bytes.
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