[Full-disclosure] asterisk remote pre-auth denial of service

[Anonymous Person]

A very serious remote denial of service  was recently patched in asterisk
some limited information on the problem  can be found here
http://asterisk.org/taxonomy/term/32

the bug exists in the asterisk SIP channel driver, anyone using asterisk
running SIP is advised to patch their systems as soon as possible.

i am posting this code to highlight severity of the bug which was fixed in
the asterisk release yesterday without much of a description
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