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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.

oval:org.mitre.oval:def:11225

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.

Family:
unix
Status:
ACCEPTED
Platform(s):
  • Red Hat Enterprise Linux 3
  • CentOS Linux 3
  • Red Hat Enterprise Linux 4
  • Oracle Linux 4
  • CentOS Linux 5
  • CentOS Linux 4
  • Red Hat Enterprise Linux 5
  • Oracle Linux 5
Class:
vulnerability
Reference(s):
  • CVE-2009-3563
Product(s):