Ensure TXSQL System User Hiding and Anti-Forgery Is Enabled

Cómo se verifica

Método de auditoría: Revisión manual

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-- 1. Execute after logging in as a regular user (should not see tdsqlsys_* users) SELECT User, Host FROM mysql.user WHERE User LIKE 'tdsqlsys_%'; -- 2. Attempt to create a user with the same prefix (should be rejected by the kernel) CREATE USER 'tdsqlsys_attacker'@'%' IDENTIFIED BY 'fake_pass'; -- ERROR XXXX: User 'tdsqlsys_attacker' is reserved for system use. -- 3. Attempt to write directly via INSERT (should be rejected by the kernel) INSERT INTO mysql.user (User, Host) VALUES ('tdsqlsys_evil','%'); -- ERROR XXXX: Modifying system tables is not allowed. -- 4.

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

These protections are enabled by default out of the box in TDSQL. If system users are visible or can be created, the cluster is not running the TXSQL kernel or has been replaced with stock MySQL, and must be upgraded to the TXSQL kernel.