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# COMPASS SECURITY ADVISORY http://www.csnc.ch/=0D 
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# Product: Telephony Server=0D
# Vendor:  Nortel=0D
# Subject: Telephony Server Denial of Service=0D
# Risk:    High=0D
# Effect:  Currently exploitable=0D
# Author:  Cyrill Brunschwiler (cyrill.brunschwiler (at) csnc (dot) ch=0D
# Date:    October, 18th 2007=0D
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Introduction:=0D
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A malicious user who can send a flood of packets to specific E-LAN ports on the Telephony Server is able to crash the telephony application. The server needs to be rebooted to resume normal operation.=0D
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Nortel has noted this as:=0D
Title:  Potential CS1000 DoS Vulnerability=0D
Number: 2007008384=0D
http://support.nortel.com/go/main.jsp?cscat=SECUREADVISORY=0D 
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Vulnerable:=0D
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Communication Server 1000=0D
and others.=0D
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See associated products on the Nortel advisory.=0D
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Vulnerability Management:=0D
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June 2007:    Vulnerability found=0D
June 2007:    Nortel Security notified=0D
October 2007: Nortel Advisory available=0D
October 2007: Compass Security Information=0D
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Remediation:=0D
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Follow the recommended actions for the affected systems, as identified in the Nortel Advisory.=0D
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Reference:=0D
http://www.csnc.ch/static/advisory/secadvisorylist.html