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Vulnerability Score 5.0 5.0
CVE Id CVE-2002-0650
Last Modified 10 Sep 2008 03:12:39
Published 12 Aug 2002 12:00:00
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact PARTIAL PARTIAL
Access Vector NETWORK
Access Complexity LOW
Authentication NONE



The keep-alive mechanism for Microsoft SQL Server 2000 allows remote attackers to cause a denial of service (bandwidth consumption) via a "ping" style packet to the Resolution Service (UDP port 1434) with a spoofed IP address of another SQL Server system, which causes the two servers to exchange packets in an infinite loop.

Vulnerable Systems


  • Microsoft Sql Server 2000


MS - MS02-039

BUGTRAQ - 20020725 Microsoft SQL Server 2000 Unauthenticated System Compromise (#NISR25072002)

BID - 5312

OSVDB - 878

XF - mssql-resolution-keepalive-dos(9662)

Last Updated: 27 May 2016 10:37:00