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Amazon Linux AMI: CVE-2016-7426: Security patch for ntp (ALAS-2017-781)

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Amazon Linux AMI: CVE-2016-7426: Security patch for ntp (ALAS-2017-781)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
01/04/2017
Created
07/25/2018
Added
01/05/2017
Modified
10/14/2022

Description

NTP before 4.2.8p9 rate limits responses received from the configured sources when rate limiting for all associations is enabled, which allows remote attackers to cause a denial of service (prevent responses from the sources) by sending responses with a spoofed source address.

Solution(s)

  • amazon-linux-upgrade-ntp

References

  • ALAS-2017-781
  • USN-3349-1
  • USN-3707-2
  • CVE-2016-7426

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