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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
5
ntp vulnerability
denial of service
mode_private
spoofed packet
cve-2009-3563
ntpd

6.9 Medium

AI Score

Confidence

High

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:P/A:P

0.963 High

EPSS

Percentile

99.5%

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.

6.9 Medium

AI Score

Confidence

High

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:P/A:P

0.963 High

EPSS

Percentile

99.5%