From: snsadv (snsadvlac.co.jp)
Date: Thu May 20 2004 - 19:43:50 CDT

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SNS Advisory No.72
Symantec Norton AntiVirus 2004 ActiveX Control Vulnerability

Problem first discovered on: Tue, 30 Mar 2004
Published on: Fri, 21 May 2004
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Overview:
---------
  Symantec Norton AntiVirus 2004 are prone to a DoS vulnerability.

Problem Description:
--------------------
  An ActiveX Control provided by Symantec Norton Antivirus 2004 contains
  a remotely exploitable DoS condition.

  In order to trigger this vulnerability, malicious website administrators
  must induce Internet Explorer users to view a specially crafted web site,
  which will consequently consume a lot of system resources.

>> Note <<
  This vulnerability can also be used to launch an executable remotely if
  the attacker has previous knowledge of its location.

Tested Versions:
----------------
  Norton AntiVirus 2004

Solution:
---------
  Update the products by using LiveUpdate.

Discovered by:
--------------
  Yuu Arai y.arailac.co.jp

Acknowledgements:
-----------------

  Thanks to:
  Mr. Mitsugu Okatani

Disclaimer:
-----------
  The information contained in this advisory may be revised without prior
  notice and is provided as it is. Users shall take their own risk when
  taking any actions following reading this advisory. LAC Co., Ltd. shall
  take no responsibility for any problems, loss or damage caused by, or by
  the use of information provided here.

  This advisory can be found at the following URL:
  Reference: http://www.lac.co.jp/security/csl/intelligence/SNSadvisory_e/72_e.html

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Secure Net Service(SNS) Security Advisory <snsadvlac.co.jp>
Computer Security Laboratory, LAC http://www.lac.co.jp/security/

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