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CVE-2017-10623 PUBLISHED

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.

EPSS 0.23% · 46.0th percentile

Risk Scores

EPSS Score
0.23%
46.0th percentile

Affected Products

VendorProductVersions
NTP ProjectNTP4.2.8p3, 4.2.8p4
NTPsec ProjectNTPSeca5fb34b9cc89b92a8fef2f459004865c93bb7f92

Timeline

References

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