<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Django 1.4.7 release notes — Django 1.4.20 documentation</title> <link rel="stylesheet" href="../_static/default.css" type="text/css" /> <link rel="stylesheet" href="../_static/pygments.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '../', VERSION: '1.4.20', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </script> <script type="text/javascript" src="../_static/jquery.js"></script> <script type="text/javascript" src="../_static/underscore.js"></script> <script type="text/javascript" src="../_static/doctools.js"></script> <link rel="top" title="Django 1.4.20 documentation" href="../index.html" /> <link rel="up" title="Release notes" href="index.html" /> <link rel="next" title="Django 1.4.6 release notes" href="1.4.6.html" /> <link rel="prev" title="Django 1.4.8 release notes" href="1.4.8.html" /> <script type="text/javascript" src="../templatebuiltins.js"></script> <script type="text/javascript"> (function($) { if (!django_template_builtins) { // templatebuiltins.js missing, do nothing. return; } $(document).ready(function() { // Hyperlink Django template tags and filters var base = "../ref/templates/builtins.html"; if (base == "#") { // Special case for builtins.html itself base = ""; } // Tags are keywords, class '.k' $("div.highlight\\-html\\+django span.k").each(function(i, elem) { var tagname = $(elem).text(); if ($.inArray(tagname, django_template_builtins.ttags) != -1) { var fragment = tagname.replace(/_/, '-'); $(elem).html("<a href='" + base + "#" + fragment + "'>" + tagname + "</a>"); } }); // Filters are functions, class '.nf' $("div.highlight\\-html\\+django span.nf").each(function(i, elem) { var filtername = $(elem).text(); if ($.inArray(filtername, django_template_builtins.tfilters) != -1) { var fragment = filtername.replace(/_/, '-'); $(elem).html("<a href='" + base + "#" + fragment + "'>" + filtername + "</a>"); } }); }); })(jQuery); </script> </head> <body> <div class="document"> <div id="custom-doc" class="yui-t6"> <div id="hd"> <h1><a href="../index.html">Django 1.4.20 documentation</a></h1> <div id="global-nav"> <a title="Home page" href="../index.html">Home</a> | <a title="Table of contents" href="../contents.html">Table of contents</a> | <a title="Global index" href="../genindex.html">Index</a> | <a title="Module index" href="../py-modindex.html">Modules</a> </div> <div class="nav"> « <a href="1.4.8.html" title="Django 1.4.8 release notes">previous</a> | <a href="index.html" title="Release notes" accesskey="U">up</a> | <a href="1.4.6.html" title="Django 1.4.6 release notes">next</a> »</div> </div> <div id="bd"> <div id="yui-main"> <div class="yui-b"> <div class="yui-g" id="releases-1.4.7"> <div class="section" id="s-django-1-4-7-release-notes"> <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> </div> <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> </div> </div> </div> </div> </div> <div class="yui-b" id="sidebar"> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <h3><a href="../contents.html">Table Of Contents</a></h3> <ul> <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> </ul> </li> </ul> <h3>Browse</h3> <ul> <li>Prev: <a href="1.4.8.html">Django 1.4.8 release notes</a></li> <li>Next: <a href="1.4.6.html">Django 1.4.6 release notes</a></li> </ul> <h3>You are here:</h3> <ul> <li> <a href="../index.html">Django 1.4.20 documentation</a> <ul><li><a href="index.html">Release notes</a> <ul><li>Django 1.4.7 release notes</li></ul> </li></ul> </li> </ul> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../_sources/releases/1.4.7.txt" rel="nofollow">Show Source</a></li> </ul> <div id="searchbox" style="display: none"> <h3>Quick search</h3> <form class="search" action="../search.html" method="get"> <input type="text" name="q" /> <input type="submit" value="Go" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> <p class="searchtip" style="font-size: 90%"> Enter search terms or a module, class or function name. </p> </div> <script type="text/javascript">$('#searchbox').show(0);</script> </div> </div> <h3>Last update:</h3> <p class="topless">Mar 19, 2015</p> </div> </div> <div id="ft"> <div class="nav"> « <a href="1.4.8.html" title="Django 1.4.8 release notes">previous</a> | <a href="index.html" title="Release notes" accesskey="U">up</a> | <a href="1.4.6.html" title="Django 1.4.6 release notes">next</a> »</div> </div> </div> <div class="clearer"></div> </div> </body> </html>