id: tidb-unauth info: name: TiDB - Unauthenticated Access author: lu4nx severity: high description: TiDB server was able to be accessed because no authentication was required. metadata: max-request: 1 zoomeye-query: tidb +port:"4000" tags: network,tidb,unauth,misconfig,tcp tcp: - inputs: - read: 1024 # skip handshake packet - data: b200000185a6ff0900000001ff0000000000000000000000000000000000000000000000726f6f7400006d7973716c5f6e61746976655f70617373776f72640075045f70696406313337353030095f706c6174666f726d067838365f3634035f6f73054c696e75780c5f636c69656e745f6e616d65086c69626d7973716c076f735f757365720578787878780f5f636c69656e745f76657273696f6e06382e302e32360c70726f6772616d5f6e616d65056d7973716c # authentication type: hex host: - "{{Hostname}}" port: 4000 read-size: 1024 matchers: - type: binary binary: # resp format: # 07: length, 02: sequence number, 00: success - "0700000200000002000000" # digest: 4a0a0047304502205fa2e5db457c1ae1e94d1c9ecaec7f13c67c55d69d44a05814afdd5b51fdf9e6022100851bf0cd00aca3ae340dc787728bde14513b2555f7be9a8beb49927b0a8aa923:922c64590222798bb761d5b6d8e72950