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  NTP Daemon Crypto-NAK Authentication Bypass 1

Category: MISC      

Crypto-NAK packets can be used to cause ntpd to accept time from unauthenticated ephemeral symmetric peers by bypassing the authentication required to mobilize peer associations. This vulnerability appears to have been introduced in ntp-4.2.5p186.

References
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7871


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