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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 rnfr file overwrite

Vulnerability Assessment Summary
Checks the banner of the remote wu-ftpd server

Detailed Explanation for this Vulnerability Assessment

The remote Wu-FTPd server seems to be vulnerable to a remote flaw.

This version contains a flaw that may permit a malicious user to overwrite
arbitrary files. The issue is triggered when a possible hacker sends a specially
formatted rnfr command. This flaw will permit a remote attacker to overwrite
any file on the system.

*** Nessus solely relied on the banner of the remote server
*** to issue this warning, so it may be a false positive.


Solution : Upgrade to Wu-FTPd 2.4.2 or newer

Network Security Threat Level: High

Networks Security ID:

Vulnerability Assessment Copyright: This script is Copyright (C) 2004 David Maciejak

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