BUG 8462 : "Directories are created with overly permissive settings"

Solution : set shared directory permissions mode to 770

workflow/engine/controllers/installer.php

@@ -289,6 +289,7 @@ class Installer extends Controller
             if (is_dir( $aux['dirname'] )) {
                 if (! file_exists( $_REQUEST['pathLogFile'] )) {
                     @file_put_contents( $_REQUEST['pathLogFile'], '' );
+                    chmod($_REQUEST['pathShared'], 0770);
                 }
             }
         }