Limit OS Privileges of Fenced Mode Process (DB2_LIMIT_FENCED_GROUP)

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Descripción

The DB2_LIMIT_FENCED_GROUP registry variable allows restricting the operating system privileges of the fenced mode process (db2fmp) to the privileges assigned to the DB2USERS group. This variable only has effect if extended security is enabled (DB2_EXTSEC) and the Db2 Service Account is not LocalSystem. This registry variable only applies to Db2 Servers running on Windows. Must be ON. Default: The default value of DB2_LIMIT_FENCED_GROUP is OFF. Run as the instance owner (or with sqllib/db2profile sourced) so the db2 CLP reads this instance's configuration.

Cómo se verifica

Método de auditoría: Comando de shell

shell

out=$(db2set -all 2>/dev/null) || exit 1; printf '%s\n' "$out" | awk '/^\[[a-zA-Z]\]/ { l = $0; sub(/^\[[a-zA-Z]\] */, "", l); k = l; sub(/=.*/, "", k); v = l; sub(/^[^=]*=/, "", v); gsub(/[ \t]/, "", v); if (!(k in r)) r[k] = v } END { if (toupper(r["DB2_LIMIT_FENCED_GROUP"]) == "ON") print "compliant"; else print "noncompliant: " "DB2_LIMIT_FENCED_GROUP=" r["DB2_LIMIT_FENCED_GROUP"] }'

Salida esperada: compliant

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

Run the following command to set the DB2_LIMIT_FENCED_GROUP registry variable to ON: db2set DB2_LIMIT_FENCED_GROUP=ON

Propiedades

Sistemas operativos: Cualquiera
Etiquetas: db2databaseregistry
Referencia: CIS IBM Db2 12.1 Benchmark v1.0.0 - 3.2.5 Limit OS Privileges of Fenced Mode Process (DB2_LIMIT_FENCED_GROUP)

Verificar este host

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

shell

tmaegis scan --target db2