bugtraq - Re: Unsecure Ftpd on HP PSC 2510 Printer

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Date: Fri, 12 Nov 2004 10:25:49 -0500
From: Lawrence MacIntyre <macintyrelp@...l.gov>
To: KF_lists <kf_lists@...netops.com>
Cc: Justin Rush <jrush@...ut.wisc.edu>, bugtraq@...urityfocus.com
Subject: Re: Unsecure Ftpd on HP PSC 2510 Printer


A write-only ftp server doesn't seem like a good place to do that since 
you can't get them back out...

(nice try, though...)

KF_lists wrote:

> Nothing like someone using the memory on your printer to stash a few 
> files...
>
> http://www.phenoelit.de/hp/docu.html
> -KF
>
> Lawrence MacIntyre wrote:
>
>> So why is this insecure?  Why is this different from port 631 (ipp) or
>> port 515 (lpd)?  It's a printer.  You give it a file, it prints it.  The
>> port or protocol it uses is immaterial...
>>
>> On Wed, 2004-11-10 at 15:26 -0600, Justin Rush wrote:
>>
>>> Product Name: HP PSC 2510
>>> Summary: Ftp print service is not configurable
>>>
>>>     This printer comes with an ftp daemon which allows anonymous
>>> access, and drops the user into a write only directory.  By default
>>> anyone from anywhere can drop a file into this directory and the
>>> printer will print the document.  There is no documentation about
>>> this feature, nor is there anyway to change (enable/disable) it
>>> via any of their software or on the printer itself.  HP Tech.
>>> support says that if you don't want this feature then you should
>>> hook up the printer as a local printer, however this printer
>>> comes with both wireless and wired connectors on the back.
>>>
>>> Justin Rush
>>> jrush@...ut.wisc.edu
>>