CVE-2023-31418: Elasticsearch uncontrolled resource consumption
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.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2023-31418.
What is the severity of CVE-2023-31418?
The severity of CVE-2023-31418 is high with a score of 7.5.
Which software is affected by CVE-2023-31418?
Elasticsearch versions 8.0.0 up to and including 8.9.0, and version 7.17.13 are affected by CVE-2023-31418.
How can an unauthenticated user exploit CVE-2023-31418?
An unauthenticated user can force an Elasticsearch node to exit with an OutOfMemory error by sending a moderate number of malformed HTTP requests.
Where can I find more information about CVE-2023-31418?
You can find more information about CVE-2023-31418 on the Elastic community security page, the NIST National Vulnerability Database (NVD) page, and the provided references.