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              AUSCERT External Security Bulletin Redistribution
                             
           ESB-2000.029 -- Microsoft Security Bulletin (MS00-009)
          Patch Available for "Image Source Redirect" Vulnerability
                              17 February 2000

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Microsoft Corporation has released the following security bulletin
concerning a security vulnerability in Microsoft Internet Explorer.

A problem exists in the MS Windows 'cross-domain security model' which
normally prevents a web site from reading information from anywhere
other than web browser windows associated with that web site.

The vulnerability may allow a malicious web site operator to read - but not 
add, change or delete - certain types of files on the computer of a 
visiting web browser user.  Microsoft has made available a patch which 
addresses this vulnerability:

       http://www.microsoft.com/technet/Security/Bulletin/ms00-009.asp


===========================================================================

This security bulletin is provided as a service to AusCERT's members.
As AusCERT did not write the document referenced above, AusCERT has
had no control over its content.  The decision to use any or all
of this information is the responsibility of each user or organisation,
and should be done so in accordance with site policies and procedures.

If you have any questions or need further information, please contact 
Microsoft Corporation directly.

Previous advisories and external security bulletins can be retrieved from:

	http://www.auscert.org.au/Information/advisories.html

If you believe that your system has been compromised, contact AusCERT or
your representative in FIRST (Forum of Incident Response and Security
Teams).

Internet Email: auscert@auscert.org.au
Facsimile:	(07) 3365 7031
Telephone:	(07) 3365 4417 (International: +61 7 3365 4417)
		AusCERT personnel answer during Queensland business hours
		which are GMT+10:00 (AEST).
		On call after hours for emergencies.


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