https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3116
Summary: wrong decoding IMSI with GSM MAP protocol
Product: Wireshark
Version: 1.0.5
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: Major
Priority: High
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: jlorca@xxxxxxxxxxxx
Build Information:
Version 1.0.5 (SVN Rev 26954)
Copyright 1998-2008 Gerald Combs <gerald@xxxxxxxxxxxxx> 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+ 2.12.8, with GLib 2.14.6, with WinPcap (version unknown),
with libz 1.2.3, without POSIX capabilities, with libpcre 7.0, with SMI 0.4.8,
with ADNS, with Lua 5.1, with GnuTLS 2.3.8, with Gcrypt 1.4.1, with MIT
Kerberos, with PortAudio V19-devel, with AirPcap.
Running on Windows XP Service Pack 3, build 2600, with WinPcap version 4.0.2
(packet.dll version 4.0.0.1040), based on libpcap version 0.9.5, without
AirPcap.
Built using Microsoft Visual C++ 6.0 build 8804
Wireshark is Open Source Software released under the GNU General Public
License.
Check the man page and http://www.wireshark.org for more information.
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There is a problem in the decoding of IMSI in the destination reference at
least. If you watch the next part of the trace the MNC is incorrect, must be
21. This happens in my case, using the GSM MAP protocol specifically in a
"Invoke unstructuredSS-Request" message.
MAP-DialoguePDU: map-open (0)
map-open
destinationReference: 9617200111108221F3
1... .... = Extension: No Extension
.001 .... = Nature of number: International Number (0x01)
.... 0110 = Number plan: Land Mobile Numbering (ITU-T Rec. E.212)
(0x06)
Address digits: 710210110128123
Mobile Country Code (MCC): Nicaragua (710)
Mobile network code (MNC): 102
originationReference: 910585051050
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