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CVE-2017-5637

UnknownEPSS 73.65%

Last modified

CVE-2017-5637 is a vulnerability of currently unknown severity. 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 estimates a 73.65% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
73.65%

99.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
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

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-5637?
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.
How severe is CVE-2017-5637?
Severity scoring for CVE-2017-5637 is pending analysis. The EPSS model estimates a 73.65% probability of exploitation in the next 30 days.
How do I fix CVE-2017-5637?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-5637?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST