[ntp:security] [Bug 2901] Clients that receive a KoD should validate the origin timestamp field.

bugzilla-daemon at ntp.org bugzilla-daemon at ntp.org
Fri Jan 22 08:02:59 UTC 2016


http://bugs.ntp.org/show_bug.cgi?id=2901

--- Comment #14 from Miroslav Lichvar <mlichvar at redhat.com> 2016-01-22 08:02:59 UTC ---
In the current stable code on line 1416 in ntp_proto.c is checked the transmit
timestamp. When it's zero the code that checks the origin timestamp starting at
line 1462 is not executed. A packet that has zero transmit timestamp avoids
validation of the origin timestamp.

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