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Microsoft SQL Server and MSDE Malicious Query Vulnerability



Microsoft SQL Server and MSDE Malicious Query Vulnerability Privacy and Legal Notice

CIAC INFORMATION BULLETIN

K-027: Microsoft SQL Server and MSDE Malicious Query Vulnerability

March 22, 2000 21:00 GMT
PROBLEM:       A security vulnerability has been identified in Microsoft SQL
               Server 7.0 and Microsoft Data Engine (MSDE) 1.0.
PLATFORM:      All platforms running SQL Server 7.0 and MSDE 1.0.
DAMAGE:        The remote author of a malicious SQL query may take
               unauthorized actions on a SQL Server or MSDE database or on the
               underlying system that was hosting the SQL Server or MSDE
               database.
SOLUTION:      Apply the patch given in the Security Bulletin below or else
               apply register settings as indicated in Frequently Asked
               Questions page given in the bulletin.

VULNERABILITY Risk is low. The attacker must have the right to submit queries ASSESSMENT: to the SQL Server or MSDE via ODBE, OLE DB, or DB-Library and be logged on using the SQL Server Security.
[ Start Microsoft Bulletin ] Microsoft Security Bulletin (MS00-014) Patch Available for "SQL Query Abuse" Vulnerability Originally Posted: March 08, 2000 Summary Microsoft has released a patch that eliminates a security vulnerability in Microsoft® SQL Server 7.0 and Microsoft Data Engine (MSDE) 1.0. The vulnerability could allow the remote author of a malicious SQL query to take unauthorized actions on a SQL Server or MSDE database or on the underlying system that was hosting the SQL Server or MSDE database. Frequently asked questions regarding this vulnerability and the patch can be found at http://www.microsoft.com/technet/security/bulletin/fq00-014.asp Issue Microsoft SQL Server 7.0 and MSDE 1.0 perform incomplete argument validation on certain classes of remotely submitted SQL statements. If a user is able to submit a particular form of a SQL Select statement to SQL Server or MSDE, it is possible to take actions on the SQL data base or, if the SQL Server or MDSE is operating in an account with elevated privileges on the underlying system, on the underlying operating system itself. In order to exploit this vulnerability, a user would have to have the right to submit queries to the SQL Server or MSDE via ODBC, OLE DB, or DB-Library and be logged on using SQL Server Security. The user would not require any special privileges beyond the right to submit SQL queries. Affected Software Versions Microsoft SQL Server Version 7.0 and Microsoft Data Engine (MSDE) 1.0. Patch Availability http://www.microsoft.com/downloads/release.asp?ReleaseID=19132 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 MS00-014, http://www.microsoft.com/technet/security/bulletin/fq00-014.asp. As soon as more information on this topic is available, it will be posted here. 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 Technical Support is available at http://support.microsoft.com/support/contact/default.asp. Acknowledgments Microsoft thanks Sven Hammesfahr http://www.itrain.de for reporting the SQL Query Abuse vulnerability to us and working with us to protect customers.. Revisions March 08, 2000: Bulletin Created. THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Last updated March 8, 2000 ® 2000 Microsoft Corporation. All rights reserved. Terms of use. [ End Microsoft Bulletin ]

CIAC wishes to acknowledge the contributions of Microsoft for the information contained in this bulletin.

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UCRL-MI-119788
[Privacy and Legal Notice]


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