Patch Available for "Active Setup Control" Vulnerability

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              AUSCERT External Security Bulletin Redistribution
                             
           ESB-1999.171 --  Microsoft Security Bulletin (MS99-048)
          Patch Available for "Active Setup Control" Vulnerability
                              12 November 1999

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Microsoft Corporation has released the following security bulletin
concerning a vulnerability in ActiveX under Internet Explorer 4 and 5.  The
vulnerability may allow a malicious user to disguise an executable in an
email as a safe type of attachment.

This vulnerability may only be exploited when the mail program used
allows scripts in HTML mail and stores temporary copies of launched
programs in known locations.

This vulnerability may allow remote users to gain privileged access.

The patch is available from:

       http://www.microsoft.com/security/bulletins/ms99-048.asp

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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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