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              AUSCERT External Security Bulletin Redistribution
                             
                 ESB-1999.057 -- MS99-012 Security Bulletin
                MSHTML Update Available for Internet Explorer
                                22 April 1999

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

Microsoft Corporation has released the following security bulletin
concerning three security vulnerabilities in Internet Explorer 4.0 and 5
on Windows 95/98/NT. These vulnerabilities may enable an attacker to create
a web site that, when visited, can:

      * determine the size and other information about files on the
	visiting user's computer whose names are known to the attacker,
      * run a script on the visiting user's computer with the
	privileges of a trusted site,
      * create a web page control and paste into it the contents of
	the visiting user's clipboard

       http://www.microsoft.com/security/bulletins/ms99-012.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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