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FreeBSD: VID-AF61B271-9E47-4DB0-A0F6-29FB032236A3 (CVE-2017-5637): zookeeper -- Denial Of Service

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FreeBSD: VID-AF61B271-9E47-4DB0-A0F6-29FB032236A3 (CVE-2017-5637): zookeeper -- Denial Of Service

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
06/01/2017
Created
07/25/2018
Added
10/10/2017
Modified
05/07/2019

Description

Two four letter word commands "wchp/wchc" are CPU intensive and could cause spike of CPU utilization on Apache ZooKeeper server if abused, which leads to the server unable to serve legitimate client requests. Apache ZooKeeper thru version 3.4.9 and 3.5.2 suffer from this issue, fixed in 3.4.10, 3.5.3, and later.

Solution(s)

  • freebsd-upgrade-package-zookeeper

References

  • DLA-986-1
  • DSA-3871
  • CVE-2017-5637

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