CVE-2024-37286: APM Server vulnerable to Insertion of Sensitive Information into Log File

August 3, 2024 (updated August 5, 2024)

APM server logs contain document body from a partially failed bulk index request. For example, in case of unavailable_shards_exception for a specific document, since the ES response line contains the document body, and that APM server logs the ES response line on error, the document is effectively logged.

References

discuss.elastic.co/t/apm-server-8-14-0-security-update-esa-2024-19/364289
github.com/advisories/GHSA-f6cj-4h3g-hwq4
github.com/elastic/apm-server
nvd.nist.gov/vuln/detail/CVE-2024-37286

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