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Category:   Device (VoIP/Phone/FAX)  >   Nortel Business Communications Manager Vendors:   Nortel
Nortel Business Communications Manager H.323 Flaws Let Remote Users Deny Service
SecurityTracker Alert ID:  1008687
SecurityTracker URL:
CVE Reference:   CVE-2004-0056   (Links to External Site)
Updated:  Jul 6 2008
Original Entry Date:  Jan 13 2004
Impact:   Denial of service via network
Vendor Confirmed:  Yes  

Description:   Vulnerabilities were reported in the Nortel Business Communications Manager (BCM) in the processing of H.323 messages. A remote user can cause denial of service conditions on the target system.

The University of Oulu Security Programming Group (OUSPG) created a test suite for the H.323 protocol family. NISCC reported that the Nortel BCM contains vulnerabilities as tested by the OUSPG H.323 test suite.

Nortel has reportedly issued Product Advisory Alert No. PAA 2003-0392-Global regarding these vulnerabilities.

The NISCC advisory is available at:

Impact:   A remote user can cause denial of service conditions on the target system.
Solution:   No solution was available at the time of this entry.
Vendor URL: (Links to External Site)
Cause:   Exception handling error, Input validation error

Message History:   None.

 Source Message Contents

Date:  Tue, 13 Jan 2004 09:27:00 -0500

NISCC reported that the following Nortel products may contain vulnerabilities as tested by 
the OUSPG H.323 test suite:

- The Business Communications Manager (BCM) (all versions); see Product Advisory Alert No. 
PAA 2003-0392-Global.

- The Succession 1000 IP Trunk and IP Peer Networking and the 802.11 Wireless IP Gateway; 
see Product Advisory Alert No. PAA-2003-0465-Global.


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