[Full-disclosure] MSIE Nested Object Vulnerability Is Exploitable

Hello,

There has recently been some discussion regarding whether or not the
MSIE Nested Object Vulnerability reported by Michal Zalewski is
exploitable or not.

Link to Michal Zalewski Full-Disclosure Posting:
http://lists.grok.org.uk/pipermail/full-disclosure/2006-
April/045422.html

Because of this, Secunia has received several enquiries and comments
about the "Highly critical" rating of this advisory (SA19762) as no
proof of exploitation has been publicly disclosed.

In response to this, we would like to stress that Secunia has developed
a working exploit for this vulnerability. This exploit will not be
disclosed publicly, but was sent to Microsoft on Wednesday 2006-04-26.
The advisory rating of "Highly critical" and "System access" impact is
therefore fully justified.

Kind regards,

Thomas Kristensen
CTO

Secunia
Hammerensgade 4, 2. floor
DK-1267 Copenhagen K
Denmark

Tlf.: +45 7020 5144
Fax: +45 7020 5145

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