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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.


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Vulnerability Assessment Details

Microsoft's SQL TCP/IP denial of service

Vulnerability Assessment Summary
Microsoft's SQL TCP/IP DoS

Detailed Explanation for this Vulnerability Assessment

The remote Microsoft SQL server can be shut down when it is
sent a TCP packet containing more than 2 NULLs.

A possible hacker may use this problem to prevent it from
being used by legitimate clients, thus threatening
your business.

Solution : filter incoming connections to port 1433
Network Security Threat Level: High

Networks Security ID: 817

Vulnerability Assessment Copyright: This script is Copyright (C) 1999 Renaud Deraison

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