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GHSA-3393-hvrj-w7v3

Denial of Service in Elasticsearch

Source: GitHub Advisory Database (reviewed) Moderate CVE-2021-22144

Packages

EcosystemPackageAffectedFixed in
Maven org.elasticsearch:elasticsearch < 6.8.17 6.8.17
Maven org.elasticsearch:elasticsearch >= 7.0.0-alpha1, < 7.13.3 7.13.3

Details

As written in the advisory (Markdown source, shown as plain text).

In Elasticsearch versions before 7.13.3 and 6.8.17 an uncontrolled recursion vulnerability that could lead to a denial of service attack was identified in the Elasticsearch Grok parser. A user with the ability to submit arbitrary queries to Elasticsearch could create a malicious Grok query that will crash the Elasticsearch node.

References

External links from the advisory. They lead to third-party sites.