Security Advisory
CVE-2015-1798
1.8
Vulnerability 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.
Published Date
April 8, 2015
Official Source
NIST NVD Advisory