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CVE-2017-5637

high · 7.5

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.

7.5
CVSS
73.1%
EPSS (exploit prob.)
99th
EPSS percentile
2017-10-10
Published

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-306CWE-400

Affected products

VendorProductAffected versions
apachezookeeper3.4.0
apachezookeeper3.4.1
apachezookeeper3.4.2
apachezookeeper3.4.3
apachezookeeper3.4.4
apachezookeeper3.4.5
apachezookeeper3.4.6
apachezookeeper3.4.7
apachezookeeper3.4.8
apachezookeeper3.4.9
apachezookeeper3.5.0
apachezookeeper3.5.1
apachezookeeper3.5.2
debiandebian_linux8.0

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2017-5637