CVE-2017-5637 PUBLISHED

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.

EPSS 17.45% · 95.0th percentile

Risk Scores

EPSS Score
17.45%
95.0th percentile

Affected Products

VendorProductVersions
Ubuntu:Pro:14.04:LTSzookeeper0, 3.4.5+dfsg-1
Ubuntu:Pro:16.04:LTSzookeeper0, 3.4.6-8, 3.4.7-1

Timeline

References

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