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[1.2.0] XSS attacks smoketest given facelift.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@516 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang 2006-11-08 01:31:38 +00:00
parent 9668ac1e38
commit e1b29d7c25
2 changed files with 46 additions and 11 deletions
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1
NEWS
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@ -11,6 +11,7 @@ NEWS ( CHANGELOG and HISTORY ) HTMLPurifier
1.2.0, unknown projected release date
! Added MODx plugin <http://modxcms.com/forums/index.php/topic,6604.0.html>
! Added percent encoding normalization
! XSS attacks smoketest given facelift
- Documentation updated
+ TODO added request Phalanger
+ TODO added request Native compression

56
smoketests/xssAttacks.php
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@ -2,6 +2,19 @@
require_once('common.php');
function formatCode($string) {
return
str_replace(
array("\t", '»', '\0(null)'),
array('<strong>\t</strong>', '<span class="linebreak">»</span>', '<strong>\0</strong>'),
escapeHTML(
str_replace("\0", '\0(null)',
wordwrap($string, 28, " »\n", true)
)
)
);
}
?><!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
@ -9,15 +22,26 @@ require_once('common.php');
<head>
<title>HTMLPurifier XSS Attacks Smoketest</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<style type="text/css">
.scroll {overflow:auto; width:100%;}
.even {background:#EAEAEA;}
thead th {border-bottom:1px solid #000;}
pre strong {color:#00C;}
pre .linebreak {color:#AAA;font-weight:100;}
</style>
</head>
<body>
<h1>HTMLPurifier XSS Attacks Smoketest</h1>
<p>XSS attacks are from
<a href="http://ha.ckers.org/xss.html">http://ha.ckers.org/xss.html</a>.</p>
<p>The last segment of tests regarding blacklisted websites is not
<p><strong>Caveats:</strong>
The last segment of tests regarding blacklisted websites is not
applicable at the moment, but when we add that functionality they'll be
relevant.</p>
<p>Most of the XSS broadcasts its presence by spawning an alert dialogue.</p>
relevant. Most XSS broadcasts its presence by spawning an alert dialogue.
The displayed code is not strictly correct, as linebreaks have been forced for
readability. Linewraps have been marked with <tt>»</tt>. Some tests are
omitted for your convenience. Not all control characters are displayed.</p>
<h2>Test</h2>
<?php
@ -27,24 +51,35 @@ $xml = simplexml_load_file('xssAttacks.xml');
$purifier = new HTMLPurifier();
?>
<!-- form is used so that we can use textareas and stay valid -->
<form method="post" action="xssAttacks.php">
<table>
<table cellspacing="0" cellpadding="2">
<thead><tr><th>Name</th><th width="30%">Raw</th><th>Output</th><th>Render</th></tr></thead>
<tbody>
<?php
$i = 0;
foreach ($xml->attack as $attack) {
$code = $attack->code;
// custom code for null byte injection tests
if (substr($code, 0, 7) == 'perl -e') {
$code = substr($code, $i=strpos($code, '"')+1, strrpos($code, '"') - $i);
$code = str_replace('\0', "\0", $code);
}
// disable vectors we cannot test in any meaningful way
if ($code == 'See Below') continue; // event handlers, whitelist defeats
if ($attack->name == 'OBJECT w/Flash 2') continue; // requires ActionScript
if ($attack->name == 'IMG Embedded commands 2') continue; // is an HTTP response
// custom code for US-ASCII, which couldn't be expressed in XML without encoding
if ($attack->name == 'US-ASCII encoding') $code = urldecode($code);
?>
<tr>
<tr<?php if ($i++ % 2) {echo ' class="even"';} ?>>
<td><?php echo escapeHTML($attack->name); ?></td>
<td><textarea readonly="readonly" cols="20" rows="2"><?php echo escapeHTML($code); ?></textarea></td>
<td><pre><?php echo formatCode($code); ?></pre></td>
<?php $pure_html = $purifier->purify($code); ?>
<td><textarea readonly="readonly" cols="20" rows="2"><?php echo escapeHTML($pure_html); ?></textarea></td>
<td><?php echo $pure_html ?></td>
<td><pre><?php echo formatCode($pure_html); ?></pre></td>
<td><div class="scroll"><?php echo $pure_html ?></div></td>
</tr>
<?php
}
@ -52,6 +87,5 @@ foreach ($xml->attack as $attack) {
?>
</tbody>
</table>
</form>
</body>
</html>