Elasticsearch uncontrolled resource consumption
CVE-2023-31418

7.5HIGH

Key Information:

Vendor
Elastic
Vendor
CVE Published:
26 October 2023

Summary

A vulnerability has been identified in Elasticsearch where unauthenticated users can disrupt the service. By sending a series of malformed HTTP requests, an attacker can trigger an OutOfMemory error causing the Elasticsearch node to terminate unexpectedly. Elastic Engineering has confirmed this issue but has found no evidence of exploitation in active environments. It is crucial for users to apply the necessary updates to mitigate this risk.

Affected Version(s)

Elasticsearch 7.17.12

Elasticsearch 8.0.0 < 8.8.2

Elasticsearch 2.13.3 < 3.6.0

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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