full-disclosure - Re: iDefense Security Advisory 10.09.07:Microsoft Windows Mail and Outlook Express NNTP Protocol Heap Overflow

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Date: Wed, 10 Oct 2007 08:37:33 +0000
From: gjgowey@....blackberry.net
To: nick@...us-l.demon.co.uk, vulnwatch@...nwatch.org,
	full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: Re: iDefense Security Advisory 10.09.07:Microsoft
	Windows Mail and Outlook Express NNTP Protocol Heap Overflow

If you want to do one better make sure to run ccleaner after deleting any registry key to nuke any registry keys that may have been relying on it.  Run ccleaner 2-3 times and you'll save yourself from a world of hurt.

Geoff

Sent from my BlackBerry wireless handheld.

-----Original Message-----
From: Nick FitzGerald <nick@...us-l.demon.co.uk>

Date: Wed, 10 Oct 2007 21:15:57 
To:vulnwatch@...nwatch.org, full-disclosure@...ts.grok.org.uk,bugtraq@...urityfocus.com
Subject: Re: [Full-disclosure] iDefense Security Advisory 10.09.07:
 Microsoft Windows Mail and Outlook Express NNTP Protocol Heap Overflow

iDefense Labs wrote:

<<...>>
> V. WORKAROUND
>
> Deleting the all sub-keys of the following registry keys will remove the
> 'news' and 'snews' protocol handlers:
>
>   HKEY_CLASSES_ROOT\news\shell
>   HKEY_CLASSES_ROOT\snews\shell

If you want to do a thorough job of such mitigation as a Q&D fix, you
may also need to nuke the

   HKEY_CLASSES_ROOT\nntp\shell

entry.

I can't easily test the viability of exploiting this via an nntp:// URI
just now, but "nntp" is normally registered (at least with OE -- can
someone check for Windows Mail?) with exactly the same sub-keys and
values as the "news" and "snews" URI handlers...

Regards,

Nick FitzGerald

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_______________________________________________
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Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/