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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.
الحلول
Microsoft SQL Server 2000 SP2:
Microsoft Patch Q323875_SQL2000_SP2_en
http://download.microsoft.com/downlo...000_SP2_en.EXE
Microsoft Service Pack sql2ksp3
http://www.microsoft.com/sql/downloa...=en-us&gssnb=1
Microsoft Patch Q316333
http://support.microsoft.com/default...316333&sd=tech
Updated cumulative patch.
Microsoft SQL Server 2000 SP1:
Microsoft Service Pack sql2ksp3
http://www.microsoft.com/sql/downloa...=en-us&gssnb=1
Microsoft SQL Server 2000 :
Microsoft Service Pack sql2ksp3
http://www.microsoft.com/sql/downloa...=en-us&gssnb=1
Microsoft Data Engine 2000 :
Microsoft Patch Q323875_SQL2000_SP2_en
http://download.microsoft.com/downlo...000_SP2_en.EXE
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