Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 2509] SCCP dissector - assoc->calling_ssn or assoc-> called_ssn leaks to next

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http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=2509


LEGO <luis.ontanon@xxxxxxxxx> changed:

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                 CC|                            |luis.ontanon@xxxxxxxxx




--- Comment #8 from LEGO <luis.ontanon@xxxxxxxxx>  2008-04-30 08:16:04 GMT ---
as Jeff says assoc should be called connection. I was way too much into
SCTP/M3UA at the time when I came out with that code... :-(

As per the one assoc If you check the code the variable is a pointer
- the assoc is created and indexed at CR 
- the assoc is retrieved from the index from there on
- for cases where the CR is not seen we use a dummy assoc and try to "guess"
the payload

That is if Wireshark does not see the CR of a given connection we do not know
the SSN and try to guess the payload. If that's your case what we need to fix
is RANAP's heuristics (which are known [at least to me] to not be that good...
that's why I wrote the assoc part to begin with).


Luis


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