Microsoft SQL Server 2000 contains stack buffer overflow in SQL Server Resolution Service

Overview

Microsoft SQL Server 2000 contains a remotely exploitable stack buffer overflow that allows attackers to execute arbitrary code with the same privileges as the SQL server.

Description

The SQL Server Resolution Service (SSRS) was introduced in Microsoft SQL Server 2000 to provide referral services for multiple server instances running on the same machine. The service listens for requests on UDP port 1434 and returns the IP address and port number of the SQL server instance that provides access to the requested database.

The SSRS contains a stack buffer overflow that allows an attacker to execute arbitrary code by sending a crafted request to port 1434/udp. The code within such a request will be executed by the server host with the privileges of the SQL Server service account.

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Impact

This vulnerability allows unauthenticated remote attackers to execute arbitrary code with the privileges of the SQL service account. If the privileges of the service account are elevated via VU#796313, this vulnerability may result in compromise of the server host.

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Solution

Apply a patch

This vulnerability was originally addressed by Microsoft in Security Bulletin MS02-039. In January 2003, Microsoft updated MS02-039 to recommend that customers apply the patch from Microsoft Security Bulletin MS02-061, which addresses additional vulnerabilities. For more information, please see

http://www.microsoft.com/technet/security/bulletin/MS02-039.asp
http://www.microsoft.com/technet/security/bulletin/MS02-061.asp

This vulnerability also affects any products that include the Microsoft Desktop Engine (MSDE) 2000. For more information, please see

http://www.microsoft.com/technet/security/MSDEapps.asp

---

Block port 1434/udp

As a workaround, system administrators can use a firewall to block port 1434/udp at an appropriate network border, thus preventing external attackers from exploiting this vulnerability.

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Vendor Information

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BindView Corporation __ Affected

Notified: February 13, 2003 Updated: February 20, 2003

Status

Affected

Vendor Statement

Approximately 24 hours after the announcement of the vulnerability exploited by SQL Slammer (aka, Sapphire) in July, 2002, BindView provided it’s customers with a tool for identifying vulnerable systems. BindView products have a requirement for customers to use either MSDE or SQL, which are vulnerable if unpatched. Guidance provided to customers at that time recommended immediate installation of the patches to correct the vulnerability. BindView re-issued both the tools and the guidance immediately after the initial outbreak of SQL Slammer.

Technical Note: Where BindView products require MSDE or SQL installed, the patches published by Microsoft will support BindView installations. No additional special patches are required.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Cisco Systems, Inc. __ Affected

Notified: January 26, 2003 Updated: January 27, 2003

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Cisco Systems has published an Cisco Security Advisory to address this issue. For more information, please see:

http://www.cisco.com/warp/public/707/cisco-sa-20030126-ms02-061.shtml

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Express Metrix LLC __ Affected

Notified: March 04, 2003 Updated: March 06, 2003

Status

Affected

Vendor Statement

The following link is provided for our customers:

<http://www.expressmetrix.com/techdocs/1610.asp&gt;

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Hewlett-Packard Company __ Affected

Notified: February 13, 2003 Updated: February 20, 2003

Status

Affected

Vendor Statement

SSRT3481 - HP OpenView, HP Insight Manager, HP SANworks Management Appliance (the Slammer SQL Worm) Patch Information

This bulletin was posted to the support website within 24 hours of release to - www.hp.com Use the SEARCH IN feature box, enter SSRT3481 in the search window.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Kaseya __ Affected

Notified: March 04, 2003 Updated: March 26, 2003

Status

Affected

Vendor Statement

The Kaseya Virtual System Administrator comes bundled with Microsoft
Desktop Engine (MSDE) version 8.00.194. If your VSA is on a network
and has port 1433 or 1434 open to the internal or external network
then your system is vulnerable. To close this vulnerability apply the
Microsoft’s SP3 for MSDE. We have posted instructions for applying
the latest MSDE service pack on our web site at
<http://www.kaseya.com/support/kbase/article10012.phtml&gt;

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Lightspeed Systems __ Affected

Notified: March 04, 2003 Updated: March 05, 2003

Status

Affected

Vendor Statement

Our advice is to have customers using MSDE SP2 version install the
security patch roll-up available for SP2 installations to fix this
(and other) issues. Customers who have the SP1 installation, or
those unsure of the version installed are urged to contact Lightspeed
Systems Customer Support immediately for assistance.

This information is summarized here:
<http://updates.lightspeedsystems.com/&gt;

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Microsoft Corporation __ Affected

Notified: May 31, 2002 Updated: July 25, 2002

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Microsoft has published Security Bulletin MS02-039 to address this vulnerability. For more information, please see

http://www.microsoft.com/technet/security/bulletin/MS02-039.asp

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Small Wonders Software __ Affected

Notified: March 04, 2003 Updated: March 04, 2003

Status

Affected

Vendor Statement

We have issued a statement on the Slammer worm at the following URL:

<http://www.smallwonders.com/Support/slammer.htm&gt;

This gives technical specs on how to update MSDE 2000 with SP3.
Additionally, all new downloads include the MSDE 2000 with SP3.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Veritas SOFTWARE __ Affected

Notified: February 13, 2003 Updated: May 20, 2003

Status

Affected

Vendor Statement

<http://seer.support.veritas.com/docs/254244.htm>

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Vigilante __ Affected

Notified: March 04, 2003 Updated: May 20, 2003

Status

Affected

Vendor Statement

SecureScan NX

SecureScan NX ships with MSDE. In order to protect existing installations, we urge all customers to update to MSDE SP3. SecureScan NX is fully supported on MSDE SP3.

A FAQ item has been posted on our website on how to update: <http://support.vigilante.com/faq/&gt;

VIGILANTe now ships a new version of SecureScan NX setup program that installs MSDE SP3 and is not affected by this vulnerability.

SecureScan SP

SecureScan SP does not ship with MSDE. However, SecureScan SP needs access to an MS SQL Server for proper installation. SecureScan SP users need to make sure their SQL Servers are not affected by this vulnerability. SecureScan SP is fully supported on MS SQL Server SP 3.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Xerox Corporation __ Affected

Notified: February 13, 2003 Updated: February 20, 2003

Status

Affected

Vendor Statement

A response to this advisory is available from our Security
Information site: <http://www.xerox.com/security&gt;.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Netwiz Pty Ltd __ Not Affected

Notified: March 04, 2003 Updated: March 13, 2003

Status

Not Affected

Vendor Statement

MonTel is a Telephone call accounting system with a server and clients for use
on a computer network. A default installation of MonTel is not vulnerable to
the ‘Slammer’ worm since it only installs MSDE 1.0. (MonTel is also provided
with the MS Jet engine for use on small work groups, though this is being
phased out in favour of MSDE.)
MonTel can, however, also be used on a pre-existing MS SQL Server 2000, which
is vulnerable. SQL 2000 should be fully secured and the latest patches applied.
Details of this can be found at:
http://www.microsoft.com/technet/treeview/default.asp?url=/technet/security/bul
letin/MS02-039.asp.

For MSDE 1.0 we recommend that MonTel sites apply the Service Pack 4 patch for
Microsoft SQL 7.0 which is used to also patch MSDE 1.0 and the SQL Server 7.0
Security Update for Service Pack 4. More detail on where to find these, and
other information can be found on the Netwiz web site at
<http://www.netwiz.com.au/appnotes/i3154.htm&gt;.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Nortel Networks, Inc. __ Not Affected

Notified: February 03, 2003 Updated: February 06, 2003

Status

Not Affected

Vendor Statement

Current Nortel Networks products and solutions do not ship with Microsoft SQL Server 2000. However, due to the high volume of traffic generated between other vendors’ impacted systems running Microsoft SQL Server 2000, some Nortel Networks switches may experience high CPU utilization leading to traffic congestion.

Nortel Networks recommends following the ingress/egress filtering mitigation strategies outlined by CERT in the “Solutions” section of Advisory CA-2003-04. Product-specific bulletins with instructions for configuration of ingress filters are available from the following Nortel Networks support contacts:

North America: 1-800-4NORTEL or 1-800-466-7835
Europe, Middle East and Africa: 00800 8008 9009, or +44 (0) 870 907 9009

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Affymetrix Unknown

Notified: March 04, 2003 Updated: March 18, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Baltimore Technologies plc Unknown

Notified: March 04, 2003 Updated: March 17, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Blackboard Inc. Unknown

Notified: March 04, 2003 Updated: March 11, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Computer Associates Unknown

Notified: February 13, 2003 Updated: February 20, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Dell Computer Corporation Unknown

Notified: February 13, 2003 Updated: February 20, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Elron Software Unknown

Notified: March 04, 2003 Updated: March 05, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Fluke Corporation Unknown

Notified: February 13, 2003 Updated: February 20, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

GFI Software Unknown

Notified: February 13, 2003 Updated: February 20, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Intel Unknown

Notified: February 13, 2003 Updated: February 20, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Internet Security Systems Inc. Unknown

Notified: February 13, 2003 Updated: February 20, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Journyx Unknown

Notified: March 04, 2003 Updated: March 05, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Komercni Banka Unknown

Notified: March 04, 2003 Updated: March 05, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Meridian Project Systems Unknown

Notified: March 04, 2003 Updated: March 05, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

NIST Computer Security Resource Center Unknown

Notified: March 04, 2003 Updated: March 17, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Nexus Unknown

Notified: March 04, 2003 Updated: March 05, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Okena Unknown

Notified: March 04, 2003 Updated: March 17, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Omtool Unknown

Notified: March 04, 2003 Updated: March 05, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Pharos Systems Unknown

Notified: March 04, 2003 Updated: March 11, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Power Measurement Unknown

Notified: March 04, 2003 Updated: March 06, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Research In Motion Limited Unknown

Notified: March 04, 2003 Updated: March 05, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

SurfControl plc Unknown

Notified: March 04, 2003 Updated: March 07, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Tivoli Systems Unknown

Notified: February 13, 2003 Updated: February 20, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

Trend Micro Unknown

Notified: February 13, 2003 Updated: February 20, 2003

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23484891 Feedback>).

View all 36 vendors __View less vendors __

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.microsoft.com/technet/security/bulletin/MS02-039.asp&gt;
• <http://www.microsoft.com/technet/security/MSDEapps.asp&gt;
• <http://www.microsoft.com/technet/security/virus/alerts/slammer.asp&gt;
• <http://support.microsoft.com/support/misc/kblookup.asp?id=Q323875&gt;
• <http://www.microsoft.com/technet/prodtechnol/sql/maintain/security/sql2ksec.asp&gt;
• <http://www.nextgenss.com/advisories/mssql-udp.txt&gt;
• <http://www.nextgenss.com/vna/ms-sql.txt&gt;
• <http://online.securityfocus.com/bid/5311&gt;
• <http://www.cert.org/advisories/CA-2003-04.html&gt;

Acknowledgements

The CERT/CC thanks Microsoft for the information provided in their advisory and NGSSoftware for their discovery and analysis of this vulnerability.

This document was written by Jeffrey P. Lanza.

Other Information

CVE IDs:	CVE-2002-0649
CERT Advisory:	CA-2002-22 Severity Metric: