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HIGHFixed upstream
CVE-2017-5637
Two four letter word commands "wchp/wchc" are CPU intensive and could cause spike of CPU…
Technology
Apache ZooKeeper
CVSS Score
7.5 / 10.0
Affected Versions
3.4.0; 3.4.1; 3.4.2; 3.4.3
Upstream Fix
See upstream advisory
Published
October 10, 2017
OSSeva Coverage
Fixed upstream
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.
Is your Apache ZooKeeper deployment affected?
If you're running 3.4.0; 3.4.1; 3.4.2; 3.4.3, you need this patch. Book a discovery call to get covered.