Ensure No High-Privilege Accounts Use Wildcard Hostnames

高等級 1自動化tdsql

說明

A MySQL Host field of % allows connections from any IP. High-privilege accounts (especially those holding SUPER, FILE, SHUTDOWN, etc.) should not use wildcard hostnames. Runs the mysql client against the TDSQL data node selected by TDSQL_MYSQL_OPTS (e.g. "-h10.0.0.5 -P4001 -utdsql_audit"); keep the password in ~/.my.cnf or a login path rather than MYSQL_PWD or the command line (see 1.4 and 1.5).

檢查方式

稽核方法: SQL 查詢

sql_query

out=$(mysql ${TDSQL_MYSQL_OPTS:-} -NBe "SELECT COUNT(*) FROM mysql.user WHERE Host = '%' AND (Super_priv = 'Y' OR File_priv = 'Y' OR Shutdown_priv = 'Y' OR Grant_priv = 'Y') AND User NOT LIKE 'tdsqlsys%'" 2>/dev/null) || exit 1; printf '%s\n' "$out"

預期輸出: 0

修補方式

修補方法: 操作指南或基礎設施修補檔

RENAME USER '<user>'@'%' TO '<user>'@'<approved subnet, e.g. 10.0.0.%>'; for every high-privilege account returned.

屬性

作業系統: 不限
標籤: tdsqlprivilegesnetwork
參考資料: CIS Tencent TDSQL 10.3.22 Benchmark v1.0.0 - 5.4 Ensure No High-Privilege Accounts Use Wildcard Hostnames

檢查此主機

請在您有權稽核的機器上執行此指令。掃描為唯讀操作。

shell

tmaegis scan --target tdsql