Wireshark-bugs: [Wireshark-bugs] [Bug 4066] New: Version 1.2.2 fails to decode GSM MAP correctly
Date: Tue, 29 Sep 2009 12:28:04 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4066

           Summary: Version 1.2.2 fails to decode GSM MAP correctly - worked
                    in 1.2.0
           Product: Wireshark
           Version: 1.2.2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Major
          Priority: High
         Component: Wireshark
        AssignedTo: [email protected]
        ReportedBy: [email protected]


Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".

Version 1.2.2 (SVN Rev 29910)

Copyright 1998-2009 Gerald Combs <[email protected]> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled with GTK+ 2.16.2, with GLib 2.20.3, with WinPcap (version unknown),
with libz 1.2.3, without POSIX capabilities, with libpcre 7.0, with SMI 0.4.8,
with c-ares 1.6.0, with Lua 5.1, with GnuTLS 2.8.1, with Gcrypt 1.4.4, with MIT
Kerberos, with GeoIP, with PortAudio V19-devel (built Sep 14 2009), with
AirPcap.

Running on Windows XP Service Pack 3, build 2600, with WinPcap version 4.1
beta5
(packet.dll version 4.1.0.1452), based on libpcap version 1.0.0, GnuTLS 2.8.1,
Gcrypt 1.4.4, without AirPcap.

Built using Microsoft Visual C++ 9.0 build 30729

Wireshark is Open Source Software released under the GNU General Public
License.

Check the man page and http://www.wireshark.org for more information.


--
Wireshark 1.2.2 fails to decode the attached trace accurately.  Instead of
decoding it as:

1 - GSM MAP invoke updateLocation
2 - GSM MAP invoke insertSubscriber Data
3 - GSM MAP returnResultLast
4 - GSM MAP returnResultLast updateLocation
5 - GSM MAP invoke updateLocation
6 - GSM MAP invoke insertSubscriber Data
7 - GSM MAP returnResultLast
8 - GSM MAP returnResultLast updateLocation

like Wireshark 1.2.0 does, it decodes it as 8 SCCP packets.  I do not have
version 1.2.1 handy so I do not know if the dissector(?) was broken in 1.2.1 or
1.2.2.

/dave


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