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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

Vulnerabilities in TCP/IP Could Allow Remote Code Execution (network check)

Vulnerability Assessment Summary
Checks for Microsoft Hotfix KB893066 (network check)

Detailed Explanation for this Vulnerability Assessment

Summary :

Arbitrary code can be executed on the remote host due to a flaw in the
TCP/IP stack.

Description :

The remote host runs a version of Windows which has a flaw in its TCP/IP
stack.

The flaw may permit a possible hacker to execute arbitrary code with SYSTEM
rights on the remote host, or to perform a denial of service attack
against the remote host.

Proof of concept code is available to perform a Denial of Service against
a vulnerable system.

Solution :

Microsoft has released a set of patches for Windows 2000, XP and 2003 :

http://www.microsoft.com/technet/security/bulletin/ms05-019.mspx

Network Security Threat Level:
High / CVSS Base Score : 9
(AV:R/AC:L/Au:NR/C:P/A:C/I:P/B:A)

Networks Security ID: 13124, 13116

Vulnerability Assessment Copyright: This script is Copyright (C) 2005 Tenable Network Security

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