National Cyber-Alert System

Vulnerability Summary for CVE-2002-0650

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: MS

Name: MS02-039

Type: Advisory; Patch Information

Hyperlink:http://www.microsoft.com/technet/security/bulletin/ms02-039.asp

External Source: BUGTRAQ

Name: 20020725 Microsoft SQL Server 2000 Unauthenticated System Compromise (#NISR25072002)

Type: Advisory

Hyperlink:http://marc.theaimsgroup.com/?l=bugtraq&m=102760196931518&w=2

External Source: BID

Name: 5312

Hyperlink:http://www.securityfocus.com/bid/5312

External Source: OSVDB

Name: 878

Hyperlink:http://www.osvdb.org/878

External Source: XF

Name: mssql-resolution-keepalive-dos(9662)

Hyperlink:http://www.iss.net/security_center/static/9662.php

External Source: NTBUGTRAQ

Name: 20020725 Microsoft SQL Server 2000 Unauthenticated System Compromise (#NISR25072002)

Hyperlink:http://marc.theaimsgroup.com/?l=ntbugtraq&m=102760479902411&w=2