| Bug ID |
10522
|
| Summary |
GSM MAP LocationNumber parameter decoded incorrectly
|
| Product |
Wireshark
|
| Version |
1.12.1
|
| Hardware |
x86
|
| OS |
Windows 7
|
| Status |
UNCONFIRMED
|
| Severity |
Minor
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Created attachment 13116 [details]
Sample packet capture
Build Information:
Version 1.12.1 (v1.12.1-0-g01b65bf from master-1.12)
Copyright 1998-2014 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 (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 3.1.22, with Gcrypt 1.6.0,
without Kerberos, with GeoIP, with PortAudio V19-devel (built Sep 16 2014),
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 3.1.22, Gcrypt 1.6.0, without AirPcap.
Intel(R) Core(TM) i7-4910MQ CPU @ 2.90GHz, with 32707MB of physical memory.
Built using Microsoft Visual C++ 10.0 build 40219
Wireshark is Open Source Software released under the GNU General Public
License.
Check the man page and http://www.wireshark.org for more information.
--
Parameter LocationNumber in GSM MAP message ProvideSubscriberInfo is decoded
incorrectly.
In the attached sample packet, the LocationNumber field re-uses the same bytes
used in the header (Odd/even, Nature of Address, INN, Numbering Plan, Address
Presentation Restricted, Screening Indicator) again in the Address Digits and
Country code; leading to 2 extra bytes being pre-pended incorrectly onto this
field.
Correct decode is documented in ITU-T Q.763 (12/1999)
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