NTP mode 7 MODE_PRIVATE Packet Remote Denial of Service Vulnerability

NTP mode 7 MODE_PRIVATE Packet Remote Denial of Service Vulnerability

References:

Bugzilla Bug 1331 DoS with mode 7 packets (CVE-2009-3563) (Danny Mayer)
Multiple vulnerabilities in Network Time Protocol (NTP) (Oracle)
Nortel Enterprise Response to VU#568372 - Potential DoS using ntpd from xntp2 (Nortel Networks)
NTP Homepage (ntp.org)
275590 A Security Vulnerability in the ntp Daemon (xntpd(1M)) May Lead to a Deni (Sun)
ASA-2009-591 ntp security update (RHSA-2009-1648) (Avaya)
ASA-2010-024 (SUN 275590) (Avaya)
Avaya ASA-2009-590 ntp security update (RHSA-2009-1651) (Avaya)
IZ68659: NTP MODE 7 VULNERABILITY IN AIX 5.3 /AIX 6.1 (IBM)
IZ71047: NTP MODE 7 VULNERABILITY IN AIX 5.3 /AIX 6.1 (IBM)
Vulnerability Note VU#568372 NTP mode 7 denial-of-service vulnerability (US-CERT)

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