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<span id="django-1-4-7-release-notes"></span><h1>Django 1.4.7 release notes<a class="headerlink" href="#django-1-4-7-release-notes" title="Permalink to this headline">¶</a></h1>
<p><em>September 10, 2013</em></p>
<p>Django 1.4.7 fixes one security issue present in previous Django releases in
the 1.4 series.</p>
<div class="section" id="s-directory-traversal-vulnerability-in-ssi-template-tag">
<span id="directory-traversal-vulnerability-in-ssi-template-tag"></span><h2>Directory traversal vulnerability in <a class="reference internal" href="../ref/templates/builtins.html#std:templatetag-ssi"><tt class="xref std std-ttag docutils literal"><span class="pre">ssi</span></tt></a> template tag<a class="headerlink" href="#directory-traversal-vulnerability-in-ssi-template-tag" title="Permalink to this headline">¶</a></h2>
<p>In previous versions of Django it was possible to bypass the
<a class="reference internal" href="../ref/settings.html#std:setting-ALLOWED_INCLUDE_ROOTS"><tt class="xref std std-setting docutils literal"><span class="pre">ALLOWED_INCLUDE_ROOTS</span></tt></a> setting used for security with the <a class="reference internal" href="../ref/templates/builtins.html#std:templatetag-ssi"><tt class="xref std std-ttag docutils literal"><span class="pre">ssi</span></tt></a>
template tag by specifying a relative path that starts with one of the allowed
roots. For example, if <tt class="docutils literal"><span class="pre">ALLOWED_INCLUDE_ROOTS</span> <span class="pre">=</span> <span class="pre">("/var/www",)</span></tt> the following
would be possible:</p>
<div class="highlight-html+django"><div class="highlight"><pre><span class="cp">{%</span> <span class="k">ssi</span> <span class="s2">"/var/www/../../etc/passwd"</span> <span class="cp">%}</span>
</pre></div>
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<p>In practice this is not a very common problem, as it would require the template
author to put the <a class="reference internal" href="../ref/templates/builtins.html#std:templatetag-ssi"><tt class="xref std std-ttag docutils literal"><span class="pre">ssi</span></tt></a> file in a user-controlled variable, but it’s
possible in principle.</p>
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<li><a class="reference internal" href="#">Django 1.4.7 release notes</a><ul>
<li><a class="reference internal" href="#directory-traversal-vulnerability-in-ssi-template-tag">Directory traversal vulnerability in <tt class="docutils literal"><span class="pre">ssi</span></tt> template tag</a></li>
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