Vulnerability Description
An issue has been identified with how Elasticsearch handled incoming requests on the HTTP layer. An unauthenticated user could force an Elasticsearch node to exit with an OutOfMemory error by sending a moderate number of malformed HTTP requests. The issue was identified by Elastic Engineering and we have no indication that the issue is known or that it is being exploited in the wild.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Elastic | Elasticsearch | <= 7.17.12 |
| Elastic | Elastic Cloud Enterprise | <= 2.13.3 |
Related Weaknesses (CWE)
References
- https://discuss.elastic.co/t/elasticsearch-8-9-0-7-17-13-security-update/343616Vendor Advisory
- https://security.netapp.com/advisory/ntap-20231130-0005/
- https://www.elastic.co/community/securityVendor Advisory
- https://discuss.elastic.co/t/elasticsearch-8-9-0-7-17-13-security-update/343616Vendor Advisory
- https://security.netapp.com/advisory/ntap-20231130-0005/
- https://www.elastic.co/community/securityVendor Advisory
FAQ
What is CVE-2023-31418?
CVE-2023-31418 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue has been identified with how Elasticsearch handled incoming requests on the HTTP layer. An unauthenticated user could force an Elasticsearch node to exit with an OutOfMemory error by sending ...
How severe is CVE-2023-31418?
CVE-2023-31418 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-31418?
Check the references section above for vendor advisories and patch information. Affected products include: Elastic Elasticsearch, Elastic Elastic Cloud Enterprise.