FIX: The error message that the SELECT statement returns may contain user data in SQL Server 2000

Article ID: 900625 - View products that this article applies to.
Bug #: 474105 (SQL Server 8.0)
Microsoft distributes SQL Server 2000 fixes as one downloadable file. Because the fixes are cumulative, each new release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2000 fix release.
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SUMMARY

This article describes the following about this hotfix release:
  • The issues that are fixed by this hotfix package
  • The prerequisites for installing the hotfix package
  • Whether you must restart your computer after you apply the hotfix package
  • Whether the hotfix package is replaced by any other hotfix package
  • Whether you must make any registry changes
  • The files that are contained in the hotfix package
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SYMPTOMS

When you use a SELECT statement to fetch information from a view, and the SELECT statement returns an error message in Microsoft SQL Server 2000, the error message may contain user data. The user data is not returned in the final result if the SELECT statement successfully fetches data from a view. For example, user data is returned in an error message that is similar to the following:
Server: Msg 506, Level 16, State 1, Line 1 Invalid escape character 'John' was specified in a LIKE predicate.
For a list of all publicly released SQL Server 2000 Post-Service Pack 3a hotfixes, see the following article in the Microsoft Knowledge Base:
810185
(http://support.microsoft.com/kb/810185/ )
SQL Server 2000 hotfix update for SQL Server 2000 Service Pack 3 and 3a
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RESOLUTION

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
(http://support.microsoft.com/contactus/?ws=support)
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

  • Microsoft SQL Server 2000 Service Pack 3 (SP3)

    For more information about how to obtain SQL Server 2000 Service Pack 3, click the following article number to view the article in the Microsoft Knowledge Base:
    290211
    (http://support.microsoft.com/kb/290211/ )
    How to obtain the latest SQL Server 2000 service pack
  • Microsoft SQL Server 2000 hotfix build 2000.80.1007

    For more information about how to obtain SQL Server 2000 hotfix build 2000.80.1007, click the following article number to view the article in the Microsoft Knowledge Base:
    893312
    (http://support.microsoft.com/kb/893312/ )
    FIX: You may receive a "SQL Server could not spawn process_loginread thread" error message, and a memory leak may occur when you cancel a remote query in SQL Server 2000

Restart information

You do not have to restart the computer after you apply this hotfix.

Registry information

You do not have to make changes to the registry after you apply this hotfix.

Hotfix file information

This hotfix contains only those files that are required to correct the issues that this article discusses. This hotfix may not contain of all the files that you must have to fully update a product to the latest build.

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time   Version            Size    File name
   -------------------------------------------------------------------
   22-Jun-2005  02:07  2000.80.1029.0    664,128  Autoplt.dll
   22-Jun-2005  02:07  2000.80.1029.0     78,400  Console.exe
   22-Jun-2005  02:07  2000.80.1029.0    332,352  Ctasksui.dll
   22-Jun-2005  02:07  2000.80.1029.0    315,968  Custtask.dll
   22-Jun-2005  02:07  2000.80.1029.0     33,340  Dbmslpcn.dll
   15-Apr-2005  01:17                    786,432  Distmdl.ldf
   15-Apr-2005  01:17                  2,359,296  Distmdl.mdf
   15-Apr-2005  01:17                        180  Drop_repl_hotfix.sql
   22-Jun-2005  02:07  2000.80.1029.0  1,905,216  Dtspkg.dll
   22-Jun-2005  02:07  2000.80.1029.0    528,960  Dtspump.dll
   22-Jun-2005  02:07  2000.80.1029.0  1,557,052  Dtsui.dll
   22-Jun-2005  02:07  2000.80.1029.0    639,552  Dtswiz.dll
   22-Jun-2005  02:07  2000.80.1029.0    102,992  Impprov.dll
   15-Apr-2005  01:17                    747,927  Instdist.sql
   15-Apr-2005  01:17                      1,581  Inst_repl_hotfix.sql
   22-Jun-2005  02:07  2000.80.1029.0    352,828  Isqlw.exe
   22-Jun-2005  02:07  2000.80.1029.0     82,492  Itwiz.exe
   22-Jun-2005  02:07  2000.80.1029.0     90,692  Msgprox.dll
   15-Apr-2005  00:59  8.11.41022.0      226,304  Mssdi98.dll
   22-Jun-2005  02:07  2000.80.1029.0     62,024  Odsole70.dll
   22-Jun-2005  02:08  2000.80.1029.0     25,144  Opends60.dll
   22-Jun-2005  02:07  2000.80.1029.0     57,904  Osql.exe
   22-Jun-2005  02:07  2000.80.1029.0    279,104  Pfutil80.dll
   15-Apr-2005  01:13                    551,012  Procsyst.sql
   15-Apr-2005  01:17                     12,305  Qfe469315.sql
   15-Apr-2005  01:17                     19,195  Qfe469571.sql
   15-Apr-2005  01:17                      5,157  Qfe472197.sql
   22-Jun-2005  02:07  2000.80.1029.0    143,940  Qrdrsvc.exe
   22-Jun-2005  01:54                  1,136,160  Replmerg.sql
   22-Jun-2005  02:07  2000.80.1029.0    221,768  Replprov.dll
   22-Jun-2005  02:07  2000.80.1029.0    307,784  Replrec.dll
   17-Jun-2005  22:42  2000.80.1029.0    159,813  Replres.rll
   15-Apr-2005  01:17                  1,088,240  Replsys.sql
   15-Apr-2005  01:17                    986,746  Repltran.sql
   15-Apr-2005  01:17                         55  Repl_uninstall.sql
   22-Jun-2005  02:07  2000.80.1029.0    287,304  Rinitcom.dll
   22-Jun-2005  02:07  2000.80.1029.0     78,416  Sdiclnt.dll
   22-Jun-2005  02:07  2000.80.1029.0    823,872  Semexec.dll
   22-Jun-2005  02:07  2000.80.1029.0     66,112  Semmap.dll
   22-Jun-2005  02:07  2000.80.1029.0     57,916  Semnt.dll
   22-Jun-2005  02:07  2000.80.1029.0    492,096  Semobj.dll
   17-Jun-2005  23:09  2000.80.1029.0    172,032  Semobj.rll
   22-Jun-2005  02:07  2000.80.1029.0     53,832  Snapshot.exe
   15-Apr-2005  01:13                    125,540  Sp3_serv_uni.sql
   22-Jun-2005  02:07  2000.80.1029.0     28,672  Sqlagent.dll
   22-Jun-2005  02:07  2000.80.1029.0    311,872  Sqlagent.exe
   22-Jun-2005  02:07  2000.80.1029.0    168,001  Sqlakw32.dll
   22-Jun-2005  02:07  2000.80.1029.0     33,344  Sqlctr80.dll
   22-Jun-2005  02:07  2000.80.1029.0  4,215,360  Sqldmo.dll
   22-Jun-2005  02:07                     25,172  Sqldumper.exe
   17-Jun-2005  22:30  2000.80.1029.0     28,672  Sqlevn70.rll
   22-Jun-2005  02:07  2000.80.1029.0    156,224  Sqlmaint.exe
   22-Jun-2005  02:07  2000.80.1029.0    180,792  Sqlmap70.dll
   22-Jun-2005  02:07  2000.80.1029.0    188,992  Sqlmmc.dll
   17-Jun-2005  23:01  2000.80.1029.0    479,232  Sqlmmc.rll
   22-Jun-2005  02:07  2000.80.1029.0    401,984  Sqlqry.dll
   22-Jun-2005  02:07  2000.80.1029.0     57,920  Sqlrepss.dll
   22-Jun-2005  02:07  2000.80.1029.0  7,725,137  Sqlservr.exe
   22-Jun-2005  02:07  2000.80.1029.0    590,396  Sqlsort.dll
   22-Jun-2005  02:07  2000.80.1029.0     45,644  Sqlvdi.dll
   22-Jun-2005  02:07  2000.80.1029.0    106,588  Sqsrvres.dll
   22-Jun-2005  02:07  2000.80.1029.0     33,340  Ssmsgnet.dll
   22-Jun-2005  02:07  2000.80.1029.0     33,340  Ssmslpcn.dll
   22-Jun-2005  02:07  2000.80.1029.0     33,340  Ssmsqlgc.dll
   22-Jun-2005  02:07  2000.80.1029.0     82,492  Ssnetlib.dll
   22-Jun-2005  02:07  2000.80.1029.0     25,148  Ssnmpn70.dll
   22-Jun-2005  02:07  2000.80.1029.0    123,456  Stardds.dll
   22-Jun-2005  02:07  2000.80.1029.0    158,268  Svrnetcn.dll
   22-Jun-2005  02:07  2000.80.1029.0     76,416  Svrnetcn.exe
   22-Jun-2005  02:07  2000.80.1029.0     49,228  Ums.dll
   22-Jun-2005  02:07  2000.80.1029.0     74,304  Xplog70.dll
   22-Jun-2005  02:07  2000.80.1029.0     98,872  Xpweb70.dll
Note Because of file dependencies, the most recent hotfix or feature that contains these files may also contain additional files.
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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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MORE INFORMATION

Trace flag 3625 is required

After you apply this hotfix, you must make sure that trace flag 3625 is turned on. Additionally, you cannot dynamically turn on or turn off this trace flag by using the DBCC TRACEON statement or the DBCC TRACEOFF statement. You must configure this trace flag as a startup parameter. To do this, follow these steps:
  1. Start SQL Server Enterprise Manager.
  2. Right-click the instance of SQL Server, and then click Properties.
  3. Click the General tab, and then click Startup Parameters.
  4. In the Startup Parameters dialog box, type –T3625 in the Parameter box, click Add, and then click OK.
  5. In the SQL Server Properties dialog box, click OK.
  6. Restart the SQL Server service.

Errors that have been fixed

The following errors have been fixed in this hotfix package:
  • 151
  • 220
  • 232
  • 238
  • 244
  • 245
  • 248
  • 281
  • 506

Behavior differences between members of the sysadmin users group and non-members

If a logon user is not a member of the sysadmin users group, the error messages for the errors in the "Errors that have been fixed" section will mask user data as *******. The following example shows the old behavior and the new behavior.

The client receives an error message when the following query fails.
SELECT cast ('abc' as int)
When the query fails, the client may receive one of the following error messages:
  • Message 1
    Server: Msg 245, Level 16, State 1, Line 1 Syntax error converting the varchar value 'abc' to a column of data type int.
  • Message 2
    Server: Msg 245, Level 16, State 1, Line 1 Syntax error converting the varchar value '******' to a column of data type int.
After you apply this hotfix, message 1 is returned if a logon user is a member of the sysadmin users group. Message 2 is returned if a logon user is not a member of the sysadmin users group.

How to obtain the unmasked data values from the errors that have been fixed

If you see the errors that appear in the "Errors that have been fixed" section, you may want to use the data values that have been masked when you troubleshoot the errors. If you are not a member of the sysadmin users group, you will have to contact a member of the sysadmin users group for help with the following workarounds:
  • If the query is not user context-sensitive, a member of the sysadmin users group can run the query to obtain the unmasked data value for you.
  • If the query is user context-sensitive, a member of the sysadmin users group will have to turn off the trace flag 3625. Then you can run the query again to obtain the unmasked data value yourself. This workaround requires restarting SQL Server.

    Note Turning off the trace flag will cause SQL Server to again experience the problem that is mentioned in the "Symptoms" section. Therefore, we recommend that a member of the sysadmin users group turn on the trace flag as soon as possible after you have obtained the unmasked data value.

Informational message

When trace flag 3625 is turned on, SQL Server logs the following message in the error log to indicate that some errors have been masked:

SQL Server is started with trace flag 3625, this may cause user to see some error messages masked using '******'

.
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For more information about the naming schema for Microsoft SQL Server updates, click the following article number to view the article in the Microsoft Knowledge Base:
822499
(http://support.microsoft.com/kb/822499/ )
New naming schema for Microsoft SQL Server software update packages
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684
(http://support.microsoft.com/kb/824684/ )
Description of the standard terminology that is used to describe Microsoft software updates
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Properties

Article ID: 900625 - Last Review: October 9, 2011 - Revision: 2.0
APPLIES TO
  • Microsoft SQL Server 2000 Developer Edition
  • Microsoft SQL Server 2000 Enterprise Edition
  • Microsoft SQL Server 2000 Personal Edition
  • Microsoft SQL Server 2000 Standard Edition
  • Microsoft SQL Server 2000 Workgroup Edition
Keywords: 
kbautohotfix kbbug kbfix kbHotfixServer kbqfe KB900625
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