Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 11476] New: GSM_MAP answers decoded as Camel

[bugzilla-daemon@xxxxxxxxxxxxx]

Bug ID	11476
Summary	GSM_MAP answers decoded as Camel
Product	Wireshark
Version	1.12.7
Hardware	x86-64
OS	Windows 7
Status	UNCONFIRMED
Severity	Normal
Priority	Low
Component	Dissection engine (libwireshark)
Assignee	bugzilla-admin@wireshark.org
Reporter	spectrum15@gmail.com

Created attachment 13825 [details]
4G attach sequence

Build Information:
C:\Program Files\Wireshark>wireshark -v

C:\Program Files\Wireshark>

wireshark 1.12.7 (v1.12.7-0-g7fc8978 from master-1.12)

Copyright 1998-2015 Gerald Combs <gerald@wireshark.org> 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 (64-bit) with GTK+ 2.24.23, with Cairo 1.10.2, with Pango 1.34.0, with
GLib 2.38.0, with WinPcap (4_1_3), with libz 1.2.5, with SMI 0.4.8, with c-ares
1.9.1, with Lua 5.2, without Python, with GnuTLS 3.2.15, with Gcrypt 1.6.2,
without Kerberos, with GeoIP, with PortAudio V19-devel (built Aug 12 2015),
with
AirPcap.

Running on 64-bit Windows 7 Service Pack 1, build 7601, with WinPcap version
4.1.3 (packet.dll version 4.1.0.2980), based on libpcap version 1.0 branch
1_0_rel0b (20091008), GnuTLS 3.2.15, Gcrypt 1.6.2, without AirPcap.
       Intel(R) Core(TM) i5-3320M CPU @ 2.60GHz, with 3975MB of physical
memory.


Built using Microsoft Visual C++ 10.0 build 40219
--

GSM_MAP answers are decoded as Camel.

The scenario is a 4G attach sequence.

The MME sends a 'SGsAP-LOCATION-UPDATE-REQUEST' to the MSC.
Then the MSC sends two GSM MAP requests to the HLR : 'invoke updateLocation'
and 'invoke insertSubscriberData'.
The 2 answers of the HLR (which should be GSM MAP) are decoded as Camel! 


Note that with an old version of Wireshark (1.10.1), it's ok, the decoding is
done properly.

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