Microsoft SQL Server 2000 Resolution Service Stack Overflow Vulnerability

Bugtraq ID:	5311
Class:	Boundary Condition Error
CVE:	CVE-2002-0649
Remote:	Yes
Local:	No
Published:	Jul 25 2002 12:00AM
Updated:	Jul 11 2009 02:56PM
Credit:	Vulnerability discovery credited to David Litchfield.
Vulnerable:	Veritas Software Backup Exec for Windows Servers 9.0 Microsoft SQL Server 2000 Desktop Engine + Akiva WebBoard 6.1 + Microsoft Access 2000 + Microsoft Application Center 2000 + Microsoft BizTalk Server 2000 Developer Edition + Microsoft BizTalk Server 2000 Enterprise Edition + Microsoft BizTalk Server 2000 Standard Edition + Microsoft BizTalk Server 2002 Developer Edition + Microsoft BizTalk Server 2002 Enterprise Edition + Microsoft Office 2000 + Microsoft Project Central Server + Microsoft SharePoint Team Services from Microsoft + Microsoft Visio 2000 Enterprise Edition + Microsoft Visio Enterprise Network Tools + Microsoft Visual FoxPro 6.0 + Microsoft Visual Studio 6.0 + Microsoft Visual Studio .NET Academic Edition 0 + Microsoft Visual Studio .NET Enterprise Architect Edition + Microsoft Visual Studio .NET Enterprise Developer Edition + Microsoft Visual Studio .NET Professional Edition + SmartMax Software MailMax 5.0 + Veritas Software Backup Exec for Windows Servers 9.0 Microsoft SQL Server 2000 SP2 Microsoft SQL Server 2000 SP1 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows NT 4.0 SP6a - Microsoft Windows NT 4.0 SP6 - Microsoft Windows NT 4.0 SP5 Microsoft SQL Server 2000 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows NT 4.0 SP6a - Microsoft Windows NT 4.0 SP6 - Microsoft Windows NT 4.0 SP5 - Microsoft Windows NT 4.0 Microsoft Data Engine 2000 + Akiva WebBoard 6.1 + BindView bv-Admin for Microsoft Exchange + BindView bv-Admin for Windows 7.0 + BindView bv-Admin for Windows Migration + BindView bv-control for Active Directory 7.0.2 + BindView bv-Control for Internet Security 7.0.1 + BindView bv-Control for Microsoft Exchange 7.0 + BindView bv-Control for Microsoft SQL Server 7.0.1 + BindView bv-Control for Microsoft SQL Server 7.0 + BindView bv-Control for Windows 7.0.2 + CARI-RUSCO Secure Perfect 3.0 + CCH Equity Compliance Insider Reporting Module + Collins Medical Plus 2000 + Computer Associates Unicenter + Computer Associates Unicenter RC/Update 6.1 + Computer Associates Unicenter RC/Update 6.0 + CSIRO BioLink Software 1.5 + DATA.TXT Corporation Time Matters 4.0 + DATA.TXT Corporation Time Matters 3.0 + Dell OpenManage IT Assistant 6.0 + Dell OpenManage IT Assistant 5.0 + Express Metrix Express Software Manager 6.0.2 + Express Metrix Express Software Manager 6.0.1 + Express Metrix Express Software Manager 6.0 + Express Metrix Express Software Manager 5.0 + Fluke Networks Optiview Network Inspector 5.0 + HP Openview Internet Services 4.5 + HP Openview Internet Services 4.0 + HP Openview Operations for Windows 7.1 + HP Openview Operations for Windows 7.0 + HP Openview Operations for Windows 6.0 + HP Openview Reporter 3.0 + HP Openview Reporter 2.0.2 + ISI Infortel for Windows 5.4 + ISI Infortel for Windows 5.2 + ISI Infortel for Windows 5.1 + ISI Infortel for Windows 4.0 + Journyx Timesheet 5.0 + Journyx Timesheet 4.6 + Journyx Timesheet 4.5 m3 + Journyx Timesheet 4.5 m2 + Journyx Timesheet 4.5 + Journyx Timesheet 2.0 + Microsoft .NET Framework 1.1 + Microsoft .NET Framework 1.0 SP1 + Microsoft .NET Framework 1.0 + Microsoft .NET Framework SDK 1.0 + Microsoft Application Center 2000 + Microsoft Biztalk Server 2002 Partner Edition 0 + Microsoft FrontPage 2000 Server Extensions SR 1.3 + Microsoft FrontPage 2000 Server Extensions SR 1.2 + Microsoft FrontPage 2000 Server Extensions SR 1.1 + Microsoft FrontPage 2000 Server Extensions SR 1.0 + Microsoft Great Plains 5.5.1 + Microsoft Great Plains 7.0 + Microsoft Great Plains 5.5 + Microsoft Great Plains 5.0 + Microsoft Office 2000 SP2 + Microsoft Office 2000 SP1 + Microsoft Office 2000 + Microsoft Office 2000 Chinese Version + Microsoft Office 2000 Japanese Version + Microsoft Office 2000 Korean Version + Microsoft Office XP SP1 + Microsoft Office XP + Microsoft Office XP Developer Edition + Microsoft Project Central Server + Microsoft SharePoint Portal Server 2001 SP1 + Microsoft SharePoint Portal Server 2001 + Microsoft SharePoint Team Services from Microsoft + Microsoft SQL Server 2000 SP3 + Microsoft SQL Server 2000 SP2 + Microsoft SQL Server 2000 SP1 + Microsoft SQL Server 2000 + Microsoft Visio 2000 Enterprise Edition + Microsoft Visio Enterprise Network Tools + Microsoft Visual FoxPro 7.0 SP1 + Microsoft Visual FoxPro 7.0 + Microsoft Visual FoxPro 6.0 + Microsoft Visual Studio .NET Academic Edition 0 + Microsoft Visual Studio .NET Enterprise Architect Edition + Microsoft Visual Studio .NET Enterprise Developer Edition + Microsoft Visual Studio .NET Professional Edition + Microsoft Visual Studio .NET Trial Edition 0 + Microsoft Windows Server 2003 Standard Edition + Microsoft Windows XP Embedded SP1 + Microsoft Windows XP Embedded + MIP NonProfit Series Pro 4.5 + MIP NonProfit Series Pro 4.4 + MIP NonProfit Series Pro 4.3 + NetSupport NetSupport TCO 4.5.1 + NetSupport NetSupport TCO 4.5 + Network Associates SupportMagic SQL 4.5 + Okena StormWatch + Peachtree Software Timeslips 11.0 + Peachtree Software Timeslips 10.0 + Peachtree Software Timeslips 9.0 + Peachtree Software Timeslips 9.0 + Peachtree Software Timeslips 8.0 + Peachtree Software Timeslips 7.0 + Peachtree Software Timeslips 6.0 + QiNetix CommVault Galaxy 4.0.1 + SalesLogix Corporation SalesLogix 2000.0 + SmartMax Software MailMax 5.0 + TeleStream FlipFactory 3.0 + TeleStream FlipFactory 2.0 + TeleStream FlipFactory 1.2 + Veritas Software Backup Exec for Windows Servers 9.0 + VIGILANTe SecureScan NX 2.5 + Visionary Systems Firehouse Software 5.4 + Visionary Systems Firehouse Software 5.0.2 5 + Visionary Systems Firehouse Software 5.0 + Visionary Systems Firehouse Software 3.0.5 + Wonderware InTouch 7.11 + Xerox CentreWare Web 1.0
Not Vulnerable:	Microsoft SQL Server 2000 SP3a Microsoft SQL Server 2000 SP3

Microsoft SQL Server 2000 Resolution Service Stack Overflow Vulnerability

A vulnerability has been discovered in Microsoft SQL Server 2000 that could make it possible for remote attackers to gain access to target hosts.

A problem in the SQL Server Resolution Service makes it possible for a remote user to execute arbitrary code on a vulnerable host. An attacker could exploit a stack-based overflow in the resolution service by sending a maliciously crafted UDP packet to port 1434.

It has been reported that a vulnerable version of MSDE 2000 is automatically installed with Internet Explorer 6 on .NET servers.


***UPDATE:

A worm that may exploit this vulnerability has been detected in the wild.

Administrators are advised to block all external access to database servers until more information is available. Access to TCP and UDP ports 1434 should be denied completely. Additionally, implementing filter rules for other ports may also decrease the chances of compromise through yet unknown avenues. This should be done even if the patch for this particular vulnerability has been installed.

Cisco has released an advisory that details workaround information. Microsoft recommends that affected users apply SQL Server 2000 Service Pack 3.

BlackBoard 5.5.1 Level 3 users can apply SQL Server 2000 Service Pack 3. Users are advised to contact BlackBoard for further information.

Microsoft SQL Server 2000 Resolution Service Stack Overflow Vulnerability

An exploit has been released as part of the MetaSploit Framework 2.0.

CORE has developed a working commercial exploit for their IMPACT product. This exploit is not otherwise publicly available or known to be circulating in the wild.

Exploit code available:

• /data/vulnerabilities/exploits/sql2.cpp
• /data/vulnerabilities/exploits/THCsql.zip
• /data/vulnerabilities/exploits/mssql2000_resolution.pm

Microsoft SQL Server 2000 Resolution Service Stack Overflow Vulnerability

Solution:
Prior to installing the fixes, administrators are advised to ensure that all SQL Server processes are inactive. Ensure that all installations of SQL server are patched and reboot the system before restarting the SQL server.

Veritas Software Backup Exec 9.0 ships with some MSDE components and may therefore be prone to this vulnerability. Users are advised to apply the Microsoft fixes to address this vulnerability for Backup Exec.

Microsoft has released SQL Server 2000 SP3a, which contains all of the fixes from SP3. This service pack also allows users to disable netlibs so that SQL Server 2000 will not listen on port 1434. SP3a is directed at users who have not already installed SP3 or wish to disable the netlibs. Please see the SQL Server Homepage for further details.

A specific fix has been released for the Microsoft .NET Framework SDK. See the References section for a link to Microsoft Knowledge Base article 813850 for instructions and download information.

Fixes available:


Microsoft SQL Server 2000

• Microsoft Q323875_SQL2000_SP2_en
  http://download.microsoft.com/download/SQLSVR2000/Patch/Q323875/W98NT4 2KMeXP/EN-US/Q323875_SQL2000_SP2_en.EXE


• Microsoft sql2ksp3
  http://www.microsoft.com/sql/downloads/2000/sp3.asp?SD=GN&LN=en-us&gss nb=1

Microsoft Data Engine 2000

• Microsoft Q323875_SQL2000_SP2_en
  http://download.microsoft.com/download/SQLSVR2000/Patch/Q323875/W98NT4 2KMeXP/EN-US/Q323875_SQL2000_SP2_en.EXE

Microsoft SQL Server 2000 SP1

• Microsoft Q323875_SQL2000_SP2_en
  http://download.microsoft.com/download/SQLSVR2000/Patch/Q323875/W98NT4 2KMeXP/EN-US/Q323875_SQL2000_SP2_en.EXE


• Microsoft sql2ksp3
  http://www.microsoft.com/sql/downloads/2000/sp3.asp?SD=GN&LN=en-us&gss nb=1

Microsoft SQL Server 2000 Desktop Engine

• Microsoft Q323875_SQL2000_SP2_en
  http://download.microsoft.com/download/SQLSVR2000/Patch/Q323875/W98NT4 2KMeXP/EN-US/Q323875_SQL2000_SP2_en.EXE


• Microsoft sql2ksp3
  http://www.microsoft.com/sql/downloads/2000/sp3.asp?SD=GN&LN=en-us&gss nb=1

Microsoft SQL Server 2000 SP2

• Microsoft Q323875_SQL2000_SP2_en
  http://download.microsoft.com/download/SQLSVR2000/Patch/Q323875/W98NT4 2KMeXP/EN-US/Q323875_SQL2000_SP2_en.EXE


• Microsoft Q316333
  Updated cumulative patch.
  http://support.microsoft.com/default.aspx?scid=kb;en-us;Q316333&sd=tec h


• Microsoft sql2ksp3
  http://www.microsoft.com/sql/downloads/2000/sp3.asp?SD=GN&LN=en-us&gss nb=1

Microsoft SQL Server 2000 Resolution Service Stack Overflow Vulnerability

References:

• 813850 - Cannot Apply SQL Server 2000 MSDE Service Packs to MSDE Instances Insta (Microsoft)
  
• Analysis of Sapphire SQL Worm (Matthew Murphy )
  
• CERT Advisory CA-2003-04 MS-SQL Server Worm (CERT/CC)
  
• Microsoft Products that include MSDE 2000 (Microsoft)
  
• Microsoft Security Bulletin MS02-039 (Microsoft)
  
• Microsoft SQL Server Homepage (Microsoft)
  
• PSS Security Response Team Alert - New Worm: W32.Slammer (Microsoft)
  
• Resources for Combating the Slammer Worm (Microsoft)
  
• SQL Server CAN-2002-0649 exploit (CORE Security)
  
• Re: MS SQL WORM IS DESTROYING INTERNET BLOCK PORT 1434! (Dave Aitel )