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Nuclei Templates

TiDB - Unauthenticated Access

ID: tidb-unauth

Severity: high

Author: lu4nx

Tags: network,tidb,unauth,misconfig,tcp

Description

Section titled “Description”

TiDB server was able to be accessed because no authentication was required.

YAML Source

Section titled “YAML Source”
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: 4b0a00483046022100e0d51647272d21621ca0a4efe9d1f9bdbed44cf7acc0a8dfe0a039a25fda4360022100ef054053aeaf6eb09d6ad79d089f604404b0e31586be0b8e622f6b46d17c8801:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "network/misconfig/tidb-unauth.yaml"

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