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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.


Home >> Browse Vulnerability Assessment Database >> FTP >> Ftp PASV on connect crashes the FTP server


Vulnerability Assessment Details

Ftp PASV on connect crashes the FTP server

Vulnerability Assessment Summary
Issues a PASV command upon the connection

Detailed Explanation for this Vulnerability Assessment
The remote FTP server dies and dump core when it is
issued a PASV command as soon as the client connects.
The FTP server is very likely to write a world readable core file
which contains portions of the passwd file. This permits local users
to obtain the shadowed passwd file.

Network Security Threat Level: High.

Solution : Upgrade your FTP server to a newer version or disable it

Networks Security ID:

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

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