Club Drupal

Drupal 7.70, 2020-05-19

-----------------------

- Fixed security issues:

   - SA-CORE-2020-002

   - SA-CORE-2020-003

define('VERSION', '7.70');

    // Double check the path derived by drupal_parse_url() is not external.

    if (!url_is_external($destination['path'])) {

      $path = $destination['path'];

    }

/**

 * For jQuery versions less than 3.5.0, this replaces the jQuery.htmlPrefilter()

 * function with one that fixes these security vulnerabilities while also

 * retaining the pre-3.5.0 behavior where it's safe to do so.

 * - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11022

 * - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11023

 *

 * Additionally, for jQuery versions that do not have a jQuery.htmlPrefilter()

 * function (1.x prior to 1.12 and 2.x prior to 2.2), this adds it, and

 * extends the functions that need to call it to do so.

 *

 * Drupal core's jQuery version is 1.4.4, but jQuery Update can provide a

 * different version, so this covers all versions between 1.4.4 and 3.4.1.

 * The GitHub links in the code comments below link to jQuery 1.5 code, because

 * 1.4.4 isn't on GitHub, but the referenced code didn't change from 1.4.4 to

 * 1.5.

 */

(function (jQuery) {

  // Parts of this backport differ by jQuery version.

  var versionParts = jQuery.fn.jquery.split('.');

  var majorVersion = parseInt(versionParts[0]);

  var minorVersion = parseInt(versionParts[1]);

  // No backport is needed if we're already on jQuery 3.5 or higher.

  if ( (majorVersion > 3) || (majorVersion === 3 && minorVersion >= 5) ) {

    return;

  }

  // Prior to jQuery 3.5, jQuery converted XHTML-style self-closing tags to

  // their XML equivalent: e.g., "<div />" to "<div></div>". This is

  // problematic for several reasons, including that it's vulnerable to XSS

  // attacks. However, since this was jQuery's behavior for many years, many

  // Drupal modules and jQuery plugins may be relying on it. Therefore, we

  // preserve that behavior, but for a limited set of tags only, that we believe

  // to not be vulnerable. This is the set of HTML tags that satisfy all of the

  // following conditions:

  // - In DOMPurify's list of HTML tags. If an HTML tag isn't safe enough to

  //   appear in that list, then we don't want to mess with it here either.

  //   @see https://github.com/cure53/DOMPurify/blob/2.0.11/dist/purify.js#L128

  // - A normal element (not a void, template, text, or foreign element).

  //   @see https://html.spec.whatwg.org/multipage/syntax.html#elements-2

  // - An element that is still defined by the current HTML specification

  //   (not a deprecated element), because we do not want to rely on how

  //   browsers parse deprecated elements.

  //   @see https://developer.mozilla.org/en-US/docs/Web/HTML/Element

  // - Not 'html', 'head', or 'body', because this pseudo-XHTML expansion is

  //   designed for fragments, not entire documents.

  // - Not 'colgroup', because due to an idiosyncrasy of jQuery's original

  //   regular expression, it didn't match on colgroup, and we don't want to

  //   introduce a behavior change for that.

  var selfClosingTagsToReplace = [

    'a', 'abbr', 'address', 'article', 'aside', 'audio', 'b', 'bdi', 'bdo',

    'blockquote', 'button', 'canvas', 'caption', 'cite', 'code', 'data',

    'datalist', 'dd', 'del', 'details', 'dfn', 'div', 'dl', 'dt', 'em',

    'fieldset', 'figcaption', 'figure', 'footer', 'form', 'h1', 'h2', 'h3',

    'h4', 'h5', 'h6', 'header', 'hgroup', 'i', 'ins', 'kbd', 'label', 'legend',

    'li', 'main', 'map', 'mark', 'menu', 'meter', 'nav', 'ol', 'optgroup',

    'option', 'output', 'p', 'picture', 'pre', 'progress', 'q', 'rp', 'rt',

    'ruby', 's', 'samp', 'section', 'select', 'small', 'source', 'span',

    'strong', 'sub', 'summary', 'sup', 'table', 'tbody', 'td', 'tfoot', 'th',

    'thead', 'time', 'tr', 'u', 'ul', 'var', 'video'

  ];

  // Define regular expressions for <TAG/> and <TAG ATTRIBUTES/>. Doing this as

  // two expressions makes it easier to target <a/> without also targeting

  // every tag that starts with "a".

  var xhtmlRegExpGroup = '(' + selfClosingTagsToReplace.join('|') + ')';

  var whitespace = '[\\x20\\t\\r\\n\\f]';

  var rxhtmlTagWithoutSpaceOrAttributes = new RegExp('<' + xhtmlRegExpGroup + '\\/>', 'gi');

  var rxhtmlTagWithSpaceAndMaybeAttributes = new RegExp('<' + xhtmlRegExpGroup + '(' + whitespace + '[^>]*)\\/>', 'gi');

  // jQuery 3.5 also fixed a vulnerability for when </select> appears within

  // an <option> or <optgroup>, but it did that in local code that we can't

  // backport directly. Instead, we filter such cases out. To do so, we need to

  // determine when jQuery would otherwise invoke the vulnerable code, which it

  // uses this regular expression to determine. The regular expression changed

  // for version 3.0.0 and changed again for 3.4.0.

  // @see https://github.com/jquery/jquery/blob/1.5/jquery.js#L4958

  // @see https://github.com/jquery/jquery/blob/3.0.0/dist/jquery.js#L4584

  // @see https://github.com/jquery/jquery/blob/3.4.0/dist/jquery.js#L4712

  var rtagName;

  if (majorVersion < 3) {

    rtagName = /<([\w:]+)/;

  }

  else if (minorVersion < 4) {

    rtagName = /<([a-z][^\/\0>\x20\t\r\n\f]+)/i;

  }

  else {

    rtagName = /<([a-z][^\/\0>\x20\t\r\n\f]*)/i;

  }

  // The regular expression that jQuery uses to determine which self-closing

  // tags to expand to open and close tags. This is vulnerable, because it

  // matches all tag names except the few excluded ones. We only use this

  // expression for determining vulnerability. The expression changed for

  // version 3, but we only need to check for vulnerability in versions 1 and 2,

  // so we use the expression from those versions.

  // @see https://github.com/jquery/jquery/blob/1.5/jquery.js#L4957

  var rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi;

  jQuery.extend({

    htmlPrefilter: function (html) {

      // This is how jQuery determines the first tag in the HTML.

      // @see https://github.com/jquery/jquery/blob/1.5/jquery.js#L5521

      var tag = ( rtagName.exec( html ) || [ "", "" ] )[ 1 ].toLowerCase();

      // It is not valid HTML for <option> or <optgroup> to have <select> as

      // either a descendant or sibling, and attempts to inject one can cause

      // XSS on jQuery versions before 3.5. Since this is invalid HTML and a

      // possible XSS attack, reject the entire string.

      // @see https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11023

      if ((tag === 'option' || tag === 'optgroup') && html.match(/<\/?select/i)) {

        html = '';

      }

      // Retain jQuery's prior to 3.5 conversion of pseudo-XHTML, but for only

      // the tags in the `selfClosingTagsToReplace` list defined above.

      // @see https://github.com/jquery/jquery/blob/1.5/jquery.js#L5518

      // @see https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11022

      html = html.replace(rxhtmlTagWithoutSpaceOrAttributes, "<$1></$1>");

      html = html.replace(rxhtmlTagWithSpaceAndMaybeAttributes, "<$1$2></$1>");

      // Prior to jQuery 1.12 and 2.2, this function gets called (via code later

      // in this file) in addition to, rather than instead of, the unsafe

      // expansion of self-closing tags (including ones not in the list above).

      // We can't prevent that unsafe expansion from running, so instead we

      // check to make sure that it doesn't affect the DOM returned by the

      // browser's parsing logic. If it does affect it, then it's vulnerable to

      // XSS, so we reject the entire string.

      if ( (majorVersion === 1 && minorVersion < 12) || (majorVersion === 2 && minorVersion < 2) ) {

        var htmlRisky = html.replace(rxhtmlTag, "<$1></$2>");

        if (htmlRisky !== html) {

          // Even though htmlRisky and html are different strings, they might

          // represent the same HTML structure once parsed, in which case,

          // htmlRisky is actually safe. We can ask the browser to parse both

          // to find out, but the browser can't parse table fragments (e.g., a

          // root-level "<td>"), so we need to wrap them. We just need this

          // technique to work on all supported browsers; we don't need to

          // copy from the specific jQuery version we're using.

          // @see https://github.com/jquery/jquery/blob/3.5.1/dist/jquery.js#L4939

          var wrapMap = {

            thead: [ 1, "<table>", "</table>" ],

            col: [ 2, "<table><colgroup>", "</colgroup></table>" ],

            tr: [ 2, "<table><tbody>", "</tbody></table>" ],

            td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],

          };

          wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;

          wrapMap.th = wrapMap.td;

          // Function to wrap HTML into something that a browser can parse.

          // @see https://github.com/jquery/jquery/blob/3.5.1/dist/jquery.js#L5032

          var getWrappedHtml = function (html) {

            var wrap = wrapMap[tag];

            if (wrap) {

              html = wrap[1] + html + wrap[2];

            }

            return html;

          };

          // Function to return canonical HTML after parsing it. This parses

          // only; it doesn't execute scripts.

          // @see https://github.com/jquery/jquery-migrate/blob/3.3.0/src/jquery/manipulation.js#L5

          var getParsedHtml = function (html) {

            var doc = window.document.implementation.createHTMLDocument( "" );

            doc.body.innerHTML = html;

            return doc.body ? doc.body.innerHTML : '';

          };

          // If the browser couldn't parse either one successfully, or if

          // htmlRisky parses differently than html, then html is vulnerable,

          // so reject it.

          var htmlParsed = getParsedHtml(getWrappedHtml(html));

          var htmlRiskyParsed = getParsedHtml(getWrappedHtml(htmlRisky));

          if (htmlRiskyParsed === '' || htmlParsed === '' || (htmlRiskyParsed !== htmlParsed)) {

            html = '';

          }

        }

      }

      return html;

    }

  });

  // Prior to jQuery 1.12 and 2.2, jQuery.clean(), jQuery.buildFragment(), and

  // jQuery.fn.html() did not call jQuery.htmlPrefilter(), so we add that.

  if ( (majorVersion === 1 && minorVersion < 12) || (majorVersion === 2 && minorVersion < 2) ) {

    // Filter the HTML coming into jQuery.fn.html().

    var fnOriginalHtml = jQuery.fn.html;

    jQuery.fn.extend({

      // @see https://github.com/jquery/jquery/blob/1.5/jquery.js#L5147

      html: function (value) {

        if (typeof value === "string") {

          value = jQuery.htmlPrefilter(value);

        }

        // .html() can be called as a setter (with an argument) or as a getter

        // (without an argument), so invoke fnOriginalHtml() the same way that

        // we were invoked.

        return fnOriginalHtml.apply(this, arguments.length ? [value] : []);

      }

    });

    // The regular expression that jQuery uses to determine if a string is HTML.

    // Used by both clean() and buildFragment().

    // @see https://github.com/jquery/jquery/blob/1.5/jquery.js#L4960

    var rhtml = /<|&#?\w+;/;

    // Filter HTML coming into:

    // - jQuery.clean() for versions prior to 1.9.

    // - jQuery.buildFragment() for 1.9 and above.

    //

    // The looping constructs in the two functions might be essentially

    // identical, but they're each expressed here in the way that most closely

    // matches their original expression in jQuery, so that we filter all of

    // the items and only the items that jQuery will treat as HTML strings.

    if (majorVersion === 1 && minorVersion < 9) {

      var originalClean = jQuery.clean;

      jQuery.extend({

        // @see https://github.com/jquery/jquery/blob/1.5/jquery.js#L5493

        'clean': function (elems, context, fragment, scripts) {

          for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {

            if ( typeof elem === "string" && rhtml.test( elem ) ) {

              elems[i] = elem = jQuery.htmlPrefilter(elem);

            }

          }

          return originalClean.call(this, elems, context, fragment, scripts);

        }

      });

    }

    else {

      var originalBuildFragment = jQuery.buildFragment;

      jQuery.extend({

        // @see https://github.com/jquery/jquery/blob/1.9.0/jquery.js#L6419

        'buildFragment': function (elems, context, scripts, selection) {

          var l = elems.length;

          for ( var i = 0; i < l; i++ ) {

            var elem = elems[i];

            if (elem || elem === 0) {

              if ( jQuery.type( elem ) !== "object" && rhtml.test( elem ) ) {

                elems[i] = elem = jQuery.htmlPrefilter(elem);

              }

            }

          }

          return originalBuildFragment.call(this, elems, context, scripts, selection);

        }

      });

    }

  }

})(jQuery);

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version = "7.70"

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datestamp = "1589989726"

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version = "7.70"

datestamp = "1589989726"

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version = "7.70"

datestamp = "1589989726"