CVE-2022-23708: Elasticsearch privilege escalation issue

March 4, 2022 (updated March 8, 2022)

A flaw was discovered in Elasticsearch 7.17.0’s upgrade assistant, in which upgrading from version 6.x to 7.x would disable the in-built protections on the security index, allowing authenticated users with “*” index permissions access to this index.

References

discuss.elastic.co/t/elastic-stack-7-17-1-security-update/298447
github.com/advisories/GHSA-pgq6-ccqj-hpqr
nvd.nist.gov/vuln/detail/CVE-2022-23708

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