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Microsoft Security Bulletin (MS00-048)
- ---------------------------------------

Patch Available for "Stored Procedure Permissions" Vulnerability
Originally Posted:  July 7, 2000

Summary
=======
Microsoft has released a patch that eliminates a security
vulnerability in Microsoft(r) SQL Server 7.0. The vulnerability could
allow a malicious user to run a database stored procedure without
proper permissions.

Frequently asked questions regarding this vulnerability and the patch
can be found at:
http://www.microsoft.com/technet/security/bulletin/fq00-048.asp

Issue
======
Execute permission checks on stored procedures may be bypassed when a
stored procedure is referenced from a temporary stored procedure.
This omission would allow a malicious user to run a stored procedure
that, by design, he should not be able to access.

The vulnerability only occurs under a fairly restricted set of
conditions:

 - The database and stored procedure must be owned by the system
   administrator (sa) login account.

 - The malicious user must be able to authenticate to the SQL Server,
   and have user access to the referenced database.

Affected Software Versions
==========================
Microsoft SQL Server 7.0

Patch Availability
==================
 - Intel:
   http://www.microsoft.com/Downloads/Release.asp?ReleaseID=22470
 - Alpha:
   http://www.microsoft.com/Downloads/Release.asp?ReleaseID=22469

NOTE:  Additional security patches are available at the Microsoft
Download Center

More Information
================
Please see the following references for more information related to
this issue.
 - Frequently Asked Questions: Microsoft Security Bulletin MS00-048,
   http://www.microsoft.com/technet/security/bulletin/fq00-048.asp
 - Microsoft Knowledge Base (KB) article, Q266766
 - Microsoft TechNet Security web site,
   http://www.microsoft.com/technet/security/default.asp

Obtaining Support on this Issue
===============================
This is a fully supported patch. Information on contacting Microsoft
Product Support Services is available at
http://support.microsoft.com/support/contact/default.asp


Acknowledgments
===============
Microsoft thanks Adina Reeve of Sequiturcorp for reporting this issue
and working with us to protect customers.

Revisions
=========
 - July 7, 2000: Bulletin Created.

- ----------------------------------------------------------------------

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THE FOREGOING LIMITATION MAY NOT APPLY.

Last Updated July 7, 2000

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