Ensure ftpd umask is configured

AltaNivel 1Automatizadaaix

Descripción

The umask of the ftpd service should be set to at least 027 in order to prevent the FTP daemon process from creating world-accessable, group-writeable files by default. The umask of the ftpd service should be set to at least 027 in order to prevent the FTP daemon process from creating world-accessable and group-writeable files by default. Audit: when ftp is enabled in inetd.conf, ftpd must run with -u 027 (or stricter 077).

Cómo se verifica

Método de auditoría: Comando de shell

shell

l=$(grep "^ftp[[:blank:]]" /etc/inetd.conf 2>/dev/null); if [ -n "$l" ]; then printf '%s\n' "$l" | grep -Eq -- "-u[[:blank:]]*0?(027|077)" && echo compliant || echo "$l"; else echo compliant; fi

Salida esperada: compliant

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

Set the default umask of the ftp daemon: [[ $(grep -c "^ftp[[:blank:]]" /etc/inetd.conf) -gt 0 ]] && chsubserver -c -v ftp -p tcp "ftpd -l -u 027" && refresh -s inetd || RC=0 NOTE: The umask above restricts write permissions for both group and other. All access for other is removed.

Propiedades

Sistemas operativos: Cualquiera
Etiquetas: aixaccounts
Referencia: CIS IBM AIX 7 Benchmark v1.2.0 - 4.6.2.3 Ensure ftpd umask is configured

Verificar este host

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

shell

tmaegis scan --target aix