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FreeBSD: VID-3C0237F5-420E-11E7-82C5-14DAE9D210B8 (CVE-2016-9042): FreeBSD -- Multiple vulnerabilities of ntp

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FreeBSD: VID-3C0237F5-420E-11E7-82C5-14DAE9D210B8 (CVE-2016-9042): FreeBSD -- Multiple vulnerabilities of ntp

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
04/12/2017
Created
07/25/2018
Added
05/26/2017
Modified
05/07/2019

Description

An exploitable denial of service vulnerability exists in the origin timestamp check functionality of ntpd 4.2.8p9. A specially crafted unauthenticated network packet can be used to reset the expected origin timestamp for target peers. Legitimate replies from targeted peers will fail the origin timestamp check (TEST2) causing the reply to be dropped and creating a denial of service condition.

Solution(s)

  • freebsd-upgrade-base-10_3-release-p18
  • freebsd-upgrade-base-11_0-release-p9

References

  • CVE-2016-9042
  • USN-3349-1

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