CVE-2013-0090: MSIE 9 IEFRAME CView::EnsureSize use-after-free

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Since November I have been releasing details on all vulnerabilities I
found that I have not released before. This is the 34th entry in the
series. This information is available in more detail on my blog at
http://blog.skylined.nl/20161216001.html. There you can find a repro
that triggered this issue in addition to the information below.

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MSIE 9 IEFRAME CView::EnsureSize use-after-free
===============================================
(MS13-021, CVE-2013-0090)

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 in their advisory
at http://www.zerodayinitiative.com/advisories/ZDI-13-097/.

Time-line
---------
* Sometime in October 2012: This vulnerability was found through
  fuzzing.
* 29 October 2012: This vulnerability was submitted to EIP.
* 27 November 2013: This vulnerability was rejected by EIP.
* 14 January 2013: This vulnerability was submitted to ZDI.
* 6 February 2013: This vulnerability was acquired by ZDI.
* 13 February 2013: This vulnerability was disclosed to Microsoft by
  ZDI.
* 29 May 2013: This vulnerability was address by Microsoft in MS13-021.
* 14 December 2016: Details of this vulnerability are released.

Cheers,

SkyLined

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