Total vulnerabilities in the database
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.
| Software | From | Fixed in |
|---|---|---|
| ntp / ntp | - | 4.2.7p444.x |