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f5F5F5:K000139026
HistoryMar 25, 2024 - 12:00 a.m.

K000139026 : NTP vulnerability CVE-2009-3563

2024-03-2500:00:00
my.f5.com
15
ntp vulnerability
denial of service
mode_private
spoofed packet
cve-2009-3563
ntpd

AI Score

6.9

Confidence

High

EPSS

0.966

Percentile

99.7%

Security Advisory Description

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. (CVE-2009-3563)

Impact

There is no impact; F5 products are not affected by this vulnerability.