id: clickhouse-unauth info: name: ClickHouse - Unauthorized Access author: lu4nx severity: high description: ClickHouse was able to be accessed with no required authentication in place. metadata: max-request: 1 tags: network,clickhouse,unauth,misconfig,tcp tcp: - inputs: # 0011436c69636b486f75736520636c69656e741508b1a9030007 is header # 64656661756c74 = default - data: 0011436c69636b486f75736520636c69656e741508b1a903000764656661756c7400 type: hex host: - "{{Hostname}}" port: 9000 read-size: 100 matchers: - type: word words: - "ClickHouse" - "UTC" condition: and # digest: 490a004630440220407c4120b7f4fcaf14baa0a9285a4235f27152c55c72ef3556331ca8ef4c824202203d3d57d1f4c52bd9a584ec43c0ebc8ae7ae2e62bbdcaf0001c5b211d36211bc7:922c64590222798bb761d5b6d8e72950