[SNS Advisory No.80] nProtect:Netizen Arbitrary File Download Vulnerability

[snsadv@xxxxxxxxx (snsadv)]

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SNS Advisory No.80
nProtect:Netizen Arbitrary File Download Vulnerability

Problem first discovered on: Wed, 13 Apr 2005
Published on: Mon, 25 Apr 2005
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Severity Level:
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  Medium


Overview:
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  A vulnerability in nProtect:Netizen could result in downloading an 
  arbitrary code into the path which an attacker specified on the 
  vulnerable system.


Problem Description:
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  nProtect:Netizen is an ActiveX control which designed for protecting
  users from virus, unauthorised access, phishing, etc.

  nProtect:Netizen tries to check update module when it's launched.
  If nProtect:Netizen could finds an updated module, the program
  would try to download it.

  A malicious website administrator can induce a user to view a
specially 
  crafted web site which could download an arbitrary file into the path 
  that the attacker specified.


Tested Versions:
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  nProtect:Netizen Ver.2005.3.17.1


Solution:
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  Update to the fixed version of nProtect:Netizen available at:
  connectting with the web site where this product is used, and pushing 
  the start button for it.


Discovered by:
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  Keigo Yamazaki


Thanks to:
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  This SNS Advisory is being published in coordination with 
Information-technology 
  Promotion Agency, Japan (IPA) and JPCERT/CC. 

  http://jvn.jp/jp/JVN%23AF02FB4B/index.html
  http://www.ipa.go.jp/security/vuln/documents/2005/JVN_AF02FB4B_nProtect.html


Disclaimer:
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  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:
  http://www.lac.co.jp/business/sns/intelligence/SNSadvisory_e/80_e.html