Re: Unsecure Ftpd on HP PSC 2510 Printer

[Lawrence MacIntyre <macintyrelp () ornl gov>]

Hmmm...  The description in the original message (contained below)
states that it has a write-only directory.  I see the problem if you
remove the write-only part;-)

On Fri, 2004-11-12 at 10:47 -0500, KF_lists wrote:
> Excuse me... Hijetter.exe uses port 9100 to dump files off... however 
> you CAN retrieve them via port 21 AFTER dumping them off via port 9100.
>
> -KF
>
> Lawrence MacIntyre wrote:
> > 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 () scout wisc edu
-- 
Lawrence MacIntyre     865.574.8696     macintyrelp () ornl gov
               Oak Ridge National Laboratory
High Performance Information Infrastructure Technology Group
               AKO: lawrence.macintyre () us army mil
           SIPRNet: macintyrelp () ornl doe sgov gov