F5 Networks: K16505 (CVE-2015-1798): NTP vulnerability CVE-2015-1798
2
(AV:A/AC:H/Au:N/C:N/I:P/A:N)
04/08/2015
07/25/2018
02/16/2017
09/16/2019
Description
The symmetric-key feature in the receive function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p2 requires a correct MAC only if the MAC field has a nonzero length, which makes it easier for man-in-the-middle attackers to spoof packets by omitting the MAC.
Solution(s)
- f5-big-ip-upgrade-latest
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