TMA-TDSQL-3.14

Ensure Correct Permissions on the Temporary File Directory

MediaNivel 1Automatizadatdsql

Descripción

The MySQL tmpdir may contain temporary tables, intermediate query results, and sort files. Its effective location must be placed on a controlled filesystem and be accessible only to the operating-system account that runs the database. 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). Reads the effective tmpdir from the instance and requires each directory to be owned by a non-root (service) account and not writable by group or other (0700, or 0750 with an approved group). Run on the data-node host; also confirm with findmnt -T that it is on an approved filesystem.

Cómo se verifica

Método de auditoría: Consulta SQL

sql_query

t=$(mysql ${TDSQL_MYSQL_OPTS:-} -NBe "SELECT @@global.tmpdir" 2>/dev/null) || exit 1; bad=0; seen=0; IFS=':'; for d in $t; do seen=1; s=$(stat -Lc '%a %U' "$d" 2>/dev/null) || { bad=1; continue; }; p=${s% *}; o=${s#* }; [ $((0$p & 022)) -eq 0 ] || bad=1; [ "$o" != root ] || bad=1; done; [ $seen -eq 1 ] && [ $bad -eq 0 ] && echo compliant || echo noncompliant

Salida esperada: compliant

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

install -d -m 0700 -o tdsql -g tdsql /data/tdsql_tmp, set tmpdir to it through the TDSQL custom parameter template and restart the instance.

Propiedades

Sistemas operativos: Cualquiera
Etiquetas: tdsqlpermissions
Referencia: CIS Tencent TDSQL 10.3.22 Benchmark v1.0.0 - 3.14 Ensure Correct Permissions on the Temporary File Directory

Verificar este host

Ejecute esto en un equipo que tenga permiso para auditar. El escaneo es de solo lectura.

shell

tmaegis scan --target tdsql