Re[2]: Siemens *35 and 45 series phones SMS Danial of Service

From: Matti Haack (m.haack@haack-it.de)
Date: Fri Mar 07 2003 - 03:53:06 PST

  • Next message: Mark Schellhase: "Re: Siemens *35 and 45 series phones SMS Danial of Service"

    Not all SL42 (wich should be identical with SL45) are influenced by
    the bug. My SL42i shows luckily the DNS "%Deutsch" string without
    error.
    
    > No, it won't. You actually have to open the message first, remember? The
    > phone will just receive the messages, waiting for them to be read.
    But if you open it, you are cought... And how to determine if it is a
    good or bad SMS?
    
    Matti Haack
    
    > Oh, by the way: 'Hang up' doesn't work on SL-42 either. It also disables the
    > phone completely.
    
    > --
    > Michael Landsmann.
    
    > ----- Original Message -----
    > From: "Willis Johnson" <willisjat_private>
    > To: <bugtraqat_private>
    > Sent: Tuesday, March 04, 2003 12:28 AM
    > Subject: RE: Siemens *35 and 45 series phones SMS Danial of Service
    
    
    > What happens if the string is sent repeatedly while the phone is turned
    > on but is unattended or receives text messages silently? Is the battery
    > drained as predicted?
    
    > Willis
    
    > -----Original Message-----
    > From: Jan Niehusmann [mailto:janat_private]
    > Sent: Monday, March 03, 2003 2:46 PM
    > To: subj subj
    > Subject: Re: Siemens *35 and 45 series phones SMS Danial of Service
    
    
    > On Mon, Mar 03, 2003 at 01:06:43AM -0000, subj subj wrote:
    >>  To vulnerability are subject: All versions siemens *35 and *45.
    > [...]
    >>  languages from the phone language selection menu, will  completely
    >> disable *35 series phones and result  in a 2 minute read delay on *45
    >> series phones. Note that
    
    > Please note that this vulnerability isn't as serious as you describe it.
    > At least on my S45, I am able to interrupt this 2 minute delay at any
    > time by pressing the 'hang up' key (but I have to press it for about
    > half a second instead of just hitting it), the message can be read by
    > using 'edit message' instead of 'read message', and it can be deleted
    > without problems.
    
    > So while this obviously is a bug, it can hardly be called a DoS.
    
    > Jan
    
    
    
    - 
    Matti Haack - Hit Haack IT Service Gmbh
    Neuburger Strasse 35, D-94032 Passau
    +49 851 50477-22 Fax: +49 851 50477-29
    http://www.haack-it.de
    



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