AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

ElasticsearchGHSA-3393-hvrj-w7v3

Denial of Service in Elasticsearch

Elasticsearch

CVE-2021-22144 · Published Aug 9, 2021 · updated Feb 20, 2024

Medium5.7
Fix: upgrade to 6.8.17 or later (2 fixed versions below)
GitHub advisory

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.

Affected versions

PackageAffectedFixed in
org.elasticsearch:elasticsearch
Maven
< 6.8.176.8.17
>= 7.0.0-alpha1, < 7.13.37.13.3
Details and references
CVSS 3.1
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Severity from
GitHub (reviewed advisory)
Weakness
CWE-674
Also known as
BIT-elasticsearch-2021-22144, CVE-2021-22144

More Elasticsearch advisories

All Elasticsearch