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Nortel Multimedia Communication Server 5100 Multiple Vulnerabilities
Secunia Advisory:	SA32203	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2008-10-09
Popularity:	914 views

Critical:	Less critical
Impact:	Security Bypass Spoofing DoS
Where:	From local network
Solution Status:	Partial Fix

Software:	Nortel Multimedia Communication Server 5100 3.x Nortel Multimedia Communication Server 5100 4.x

Subscribe:	Instant alerts on relevant vulnerabilities

Description: Some vulnerabilities have been reported in Nortel Multimedia Communication Server 5100, which can be exploited by malicious people to bypass certain security restrictions, conduct spoofing attacks, or cause a DoS (Denial of Service). 1) An implementation error in the call placement mechanism can be exploited to spoof or redirect calls. 2) Multiple errors exist in the implementation of the UNIStim File Transfer Protocol (UFTP). These can be exploited to cause a DoS via UFTP messages containing specially crafted "Connection Details" fields. The vulnerabilities are reported in version 3.0.13. Other versions may also be affected. Solution: Use the product only in a trusted network environment. Vulnerability #2 is partially fixed in version 3.5.9. Provided and/or discovered by: VoIPshield Original Advisory: Nortel: http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=775223 http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=774845 VoIPshield: http://voipshield.com/research-details.php?id=119 http://voipshield.com/research-details.php?id=120

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