| Package | Affected versions | Patched versions |
|---|---|---|
| ntp | = 4.0.72= 4.0.73= 4.0.90= 4.0.91= 4.0.92= 4.0.93= 4.0.94= 4.0.95= 4.0.96= 4.0.97= 4.0.98= 4.0.99= 4.1.0= 4.1.2= 4.2.0= 4.2.2= 4.2.2p1= 4.2.2p2= 4.2.2p3= 4.2.5≤ 4.2.2p4 |
ntp_request.c in ntpd in NTP before 4.2.4p8, and 4.2.5, allows remote attackers to cause a denial of service (CPU and bandwidth consumption) by using MODE_PRIVATE to send a spoofed (1) request or (2) response packet that triggers a continuous exchange of MODE_PRIVATE error responses between two NTP daemons.
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