[Bug 1227518] [NEW] CVE-2013-4315: Directory traversal with ssi template tag

[Felix Dreissig]

*** This bug is a security vulnerability ***

Public security bug reported:

"Django's template language includes two methods of including and
rendering one template inside another:

The {% include %} tag takes a template name, and uses Django's template loading mechanism (which is restricted to the directories specified in the TEMPLATE_DIRS setting, as with any other normal template load in Django).
The {% ssi %} tag, which takes a file path and includes that file's contents (optionally parsing and rendering it as a template).

Since the ssi tag is not restricted to TEMPLATE_DIRS, it represents a
security risk; the setting ALLOWED_INCLUDE_ROOTS thus is required, and
specifies filesystem locations from which ssi may read files."

https://www.djangoproject.com/weblog/2013/sep/10/security-releases-
issued/

** Affects: python-django (Ubuntu)
     Importance: Undecided
         Status: New

** Information type changed from Private Security to Public Security

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https://bugs.launchpad.net/bugs/1227518

Title:
  CVE-2013-4315: Directory traversal with ssi template tag

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