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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

wu-ftpd buffer overflow

Vulnerability Assessment Summary
Checks if the remote ftp can be buffer overflown

Detailed Explanation for this Vulnerability Assessment

It was possible to make the remote FTP server crash
by creating a huge directory structure.
This is usually called the 'wu-ftpd buffer overflow'
even though it affects other FTP servers.

It is very likely that a possible hacker can use this
flaw to execute arbitrary code on the remote
server. This will give him a shell on your system,
which is not a good thing.

Solution : upgrade your FTP server.
Consider removing directories writable by 'anonymous'.

Network Security Threat Level: High

Networks Security ID: 113, 599, 747, 2242

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

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