GMS-2023-5381: OpenSearch StackOverflow vulnerability

December 1, 2023

Impact

A flaw was discovered in OpenSearch, affecting the _search API that allowed a specially crafted query string to cause a Stack Overflow and ultimately a Denial of Service.

The issue was identified by Elastic Engineering and corresponds to security advisory ESA-2023-14 (CVE-2023-31419).

Mitigation

Versions 1.3.14 and 2.11.1 contain a fix for this issue.

For more information

If you have any questions or comments about this advisory, please contact AWS/Amazon Security via our issue reporting page (https://aws.amazon.com/security/vulnerability-reporting/) or directly via email to aws-security@amazon.com. Please do not create a public GitHub issue.

References

github.com/advisories/GHSA-6g3j-p5g6-992f
github.com/opensearch-project/OpenSearch/security/advisories/GHSA-6g3j-p5g6-992f

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