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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

IIS Service Pack - 404

Vulnerability Assessment Summary
IIS Service Pack Check

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote web server is running Microsoft IIS.

Description :

The Patch level (Service Pack) of the remote IIS server appears to be
lower than the current IIS service pack level. As each service pack
typically contains many security patches, the server may be at risk.

Note that this test makes assumptions of the remote patch level based
on static return values (Content-Length) within a IIS Server's 404
error message. As such, the test can not be totally reliable and
should be manually confirmed.

Note also that, to acertain IIS6 patch levels, a simple test is done
based on strict RFC 2616 compliance. It appears as if IIS6-SP1 will
accept CR as an end-of-line marker instead of both CR and LF.

Solution:

Ensure that the server is running the latest stable Service Pack.

Network Security Threat Level:

None

Networks Security ID:

Vulnerability Assessment Copyright: This script is Copyright (C) 2003-2007 SensePost & Copyright (C) 2004 David Maciejak

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