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Oracle Linux: CVE-2016-7426: ELSA-2017-0252: ntp security update (MODERATE)

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Oracle Linux: CVE-2016-7426: ELSA-2017-0252: ntp security update (MODERATE)

Severity
5
CVSS
(AV:N/AC:H/Au:N/C:N/I:N/A:C)
Published
11/21/2016
Created
07/25/2018
Added
02/07/2017
Modified
07/22/2024

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. It was found that when ntp is configured with rate limiting for all associations the limits are also applied to responses received from its configured sources. A remote attacker who knows the sources can cause a denial of service by preventing ntpd from accepting valid responses from its sources.

Solution(s)

  • oracle-linux-upgrade-ntp
  • oracle-linux-upgrade-ntpdate
  • oracle-linux-upgrade-ntp-doc
  • oracle-linux-upgrade-ntp-perl
  • oracle-linux-upgrade-sntp

References

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