Wireshark-bugs: [Wireshark-bugs] [Bug 8791] New: Improve dissection of GSM SIM payloads in USB C
| Bug ID |
8791
|
| Summary |
Improve dissection of GSM SIM payloads in USB CCID packets
|
| Classification |
Unclassified
|
| Product |
Wireshark
|
| Version |
SVN
|
| Hardware |
All
|
| OS |
All
|
| Status |
UNCONFIRMED
|
| Severity |
Enhancement
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
bugzilla-admin@wireshark.org
|
| Reporter |
tyson.key@gmail.com
|
Created attachment 10968 [details]
A patch implementing this functionality
Build Information:
Version 1.11.0 (SVN Rev 49899 from /trunk)
Copyright 1998-2013 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 (32-bit) with GTK+ 2.24.13, with Cairo 1.12.2, with Pango 1.30.1, with
GLib 2.34.1, with libpcap, with libz 1.2.7, without POSIX capabilities, with
libnl 1, without SMI, without c-ares, without ADNS, without Lua, without
Python,
without GnuTLS, with Gcrypt 1.5.0, without Kerberos, without GeoIP, without
PortAudio, without AirPcap.
Running on Linux 3.5.0-28-generic, with locale ja_JP.UTF-8, with libpcap
version
1.5.0-PRE-GIT_2013_04_17, with libz 1.2.7, Gcrypt 1.5.0.
Built using gcc 4.7.2.
Wireshark is Open Source Software released under the GNU General Public
License.
Check the man page and http://www.wireshark.org for more information.
--
The attached patch improves handling of GSM SIM payloads in USB CCID packets by
adding support for bi-directional card <-> reader payloads (as opposed to the
current reader -> card-only support), and using the separate
gsm_sim.command/gsm_sim.response dissectors (like the BTSAP dissector), instead
of the "monolithic" one that defaults to OSMoCom SIMTrace mode by default.
This should bring a slight further reduction in malformed packets caused by
attempting to dissect non-existent "status words" in reader -> card APDUs, and
make trying to dissect card -> reader APDUs easier in the future.
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