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Category:   Device (VoIP/Phone/FAX)  >   Siemens Phone Vendors:   Siemens
Siemens 45 Series Mobile Phones Can Be Crashed By Remote Users
SecurityTracker Alert ID:  1006713
SecurityTracker URL:  http://securitytracker.com/id/1006713
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  May 7 2003
Impact:   Denial of service via network
Exploit Included:  Yes  
Version(s): Series 45
Description:   A buffer overflow vulnerability was reported in the Siemens 45-series mobile phones. A remote user can send a specially crafted SMS message to cause the

DWC Gr0up reported that a remote user can send a percentage character followed by 157 characters in place of an image name (%IMG_NAME) within an SMS message to cause the target recipient's phone to disconnect. Furthermore, the target user will be unable to view their SMS message inbox.

Some demonstration exploit strings are provided in the Source Message.

Impact:   A remote user can cause a target user's phone to disconnect and stop working properly.
Solution:   No solution was available at the time of this entry.
Vendor URL:  www.my-siemens.com/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  

Message History:   None.


 Source Message Contents

Date:  6 May 2003 07:28:10 -0000
Subject:  Siemens Mobile Phone - Buffer Overflow




======================================
---> Product: Siemens Mobile Phone
---> Version: All *45 series phones
---> OffSite: www.siemens-mobile.com
---> Problem: Buffer Overflow.
======================================

** General Description **

In phones Siemens of a series 45, I found one more vulnerability, and 
this time she(it) in my opinion is more dangerous.
At reception given sms, the phone is instantly disconnected with any not 
clear sound when you include the phone. 
With a kind it(he) works normally, but now to go in Messages-> Inbox to 
you it will be not possible. All this occurs from for overflow 
The buffer in the phone.
As is known for an insert in the message of a graphic picture such design 
is used: "%IMG_NAME", and so if instead of IMG_NAME to insert any 157 
symbols at reception by the subscriber of such message, there will be 
above described actions. 

** Exploit **
" %..........
............
............
............
............
............
............
............
............
............
............
............
............
... "

or 

" % [157 symbols of any dust "

** Note **
- > you can not send the given message from the phone siemens as soon as 
will try to transfer the message the phone to be switched off.
- > Is the fastest, the given vulnerability works and on other phones 
siemens to check up there was no opportunity, all was checked on phones 
of 45 series.

** Solution **
The decision remains only one to wait while developers will issue the new 
version of an insertion and then only to begin to rock her(it) in the 
phone.

** Contacts **
r2subj3ct@dwclan.org
subj@passwd.cc
www,dwcgr0up.com | www.dwcgr0up.com/subj/
irc.irochka.net *dwc *phreack *global *dhg

** Greeting **
J0k3r, D4rkGr3y, DethSpirit, r4ShRaY, Kabuto, fnq, agenox, L0vCh1Y, 
DiZHarM, cybeast, Foster, Moby, ORB, MORPFEY, drG4njubas
3APA3A, DHG, Gipshack, BlackTigerz, rsteam, p0is0n, Security.nno.ru 
HNCrew. And all who i know...

 
 


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