-----BEGIN PGP SIGNED MESSAGE-----

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

              AUSCERT External Security Bulletin Redistribution
                             
           ESB-1999.175 -- Microsoft Security Bulletin (MS99-043)
           Patch Available for "Javascript Redirect" Vulnerability
                              18 November 1999

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

Microsoft Corporation has released the following security bulletin
concerning a vulnerability in Internet Explorer 4.01 and 5.  A
webpage may be crafted which bypasses cross-domain data access
restrictions via a redirect to a Javascript applet.  This vulnerability
may allow a malicious web site operator to read files on the visiting
browser's computer.  A patch has now been provided by Microsoft to
eliminate this vulnerability:

       http://www.microsoft.com/Security/Bulletins/MS99-043.asp

( Note: This is the same vulnerability as reported in AusCERT ESB-1999.156
  which previously only contained details of a workaround for the
  vulnerability. )


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

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 made 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)

A list of FIRST Team Contact Information can be retrieved from:

	http://www.first.org/team-info/


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.

-----BEGIN PGP SIGNATURE-----
Version: 2.6.3i
Charset: noconv
Comment: ftp://ftp.auscert.org.au/pub/auscert/AUSCERT_PGP.key

iQCVAwUBOEJrvSh9+71yA2DNAQGHmQP+IG6/DZoaenv/qWHycL8Rd773ZOQGEGr0
+h/XOD5rT0AZ3a5yEisd9iWi3sjpwucy8OcFnCgeaFGBmBajNzNmB7DDiBA+Hw3Z
8fBOquX4e806WTAffdXtv7thubdJ8I5jl9h/rOcNRWbD0fb+QnXufYMESrR9OPat
ayKJoefLZ+c=
=1f2/
-----END PGP SIGNATURE-----