disabled the reST .. include directive

lib/python/Products/ZReST/ZReST.py

@@ -192,6 +192,9 @@ class ZReST(Item, PropertyManager, Historical, Implicit, Persistent):
         # set the reporting level to something sane
         pub.settings.report_level = int(self.report_level)
 
+        # disallow use of the .. include directive for security reasons
+        pub.settings.file_insertion_enabled = 0
+
         # don't break if we get errors
         pub.settings.halt_level = 6
 

lib/python/reStructuredText/__init__.py

@@ -74,6 +74,7 @@ def render(src,
     if language_code:
         settings['language_code'] = language_code
     settings['language_code'] = language_code
+    settings['file_insertion_enabled '] = 0
     # starting level for <H> elements:
     settings['initial_header_level'] = initial_header_level + 1
     # set the reporting level to something sane: