Rapid7 Vulnerability & Exploit Database

Gentoo Linux: CVE-2009-3563: NTP: Denial of service

Back to Search

Gentoo Linux: CVE-2009-3563: NTP: Denial of service

Severity
6
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:P)
Published
12/09/2009
Created
07/25/2018
Added
10/30/2017
Modified
05/28/2021

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.

Solution(s)

  • gentoo-linux-upgrade-net-misc-ntp

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;