bugtraq - [SNS Advisory No.73] Usermin Cross-site Scripting Vulnerability

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Date: Fri, 11 Jun 2004 17:23:42 +0900
From: snsadv@....co.jp (snsadv)
To: bugtraq@...urityfocus.com
Subject: [SNS Advisory No.73] Usermin Cross-site Scripting Vulnerability


----------------------------------------------------------------------
SNS Advisory No.73
Usermin Cross-site Scripting Vulnerability

Problem first discovered on: Sun, 11 Apr 2004
Published on: Fri, 11 Jun 2004
----------------------------------------------------------------------

Overview:
---------
  The web mail functionality of Usermin is prone to a cross-site
  scripting vulnerability. 


Problem Description:
--------------------
  Usermin is a web interface that allows all users on a Unix system to 
  easily receive mails and to perform SSH and mail forwarding configuration.

  A cross-site scripting vulnerability may occur because the web mail
  module used by Usermin doesn't sanitize scripts embedded in received
  emails. Attackers will be able to steal web cookies and gain unauthorized
  access to the Usermin system.


Tested Versions:
----------------
  Usermin Version 1.070


Solution:
---------
  This problem can be eliminated by upgrading to Usermin version 1.080, 
  which is available at:

    http://www.webmin.com/ 


Discovered by:
--------------
  Keigo Yamazaki

Acknowledgements:
-----------------
  Thanks to:
  Mr. Jamie Cameron


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:
  http://www.lac.co.jp/security/csl/intelligence/SNSadvisory_e/73_e.html

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