Uncontrolled Recursion
CVE-2021-22144
Summary
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.
- LOW
- NETWORK
- NONE
- UNCHANGED
- NONE
- LOW
- NONE
- HIGH
CWE-674 - Uncontrolled Recursion
The product does not properly control the amount of recursion which takes place, consuming excessive resources, such as allocated memory or the program stack.
References
Advisory Timeline
- Published