[Python-checkins] r57764 - python/trunk/Doc/library/tarfile.rst
lars.gustaebel
python-checkins at python.org
Thu Aug 30 22:24:31 CEST 2007
Author: lars.gustaebel
Date: Thu Aug 30 22:24:31 2007
New Revision: 57764
Modified:
python/trunk/Doc/library/tarfile.rst
Log:
Warn about possible risks when extracting untrusted archives.
Modified: python/trunk/Doc/library/tarfile.rst
==============================================================================
--- python/trunk/Doc/library/tarfile.rst (original)
+++ python/trunk/Doc/library/tarfile.rst Thu Aug 30 22:24:31 2007
@@ -337,6 +337,13 @@
reset each time a file is created in it. And, if a directory's permissions do
not allow writing, extracting files to it will fail.
+ .. warning::
+
+ Never extract archives from untrusted sources without prior inspection.
+ It is possible that files are created outside of *path*, e.g. members
+ that have absolute filenames starting with ``"/"`` or filenames with two
+ dots ``".."``.
+
.. versionadded:: 2.5
@@ -353,6 +360,10 @@
are some issues you must take care of yourself. See the description for
:meth:`extractall` above.
+ .. warning::
+
+ See the warning for :meth:`extractall`.
+
.. method:: TarFile.extractfile(member)
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