https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6839
Summary: LCSAP Connectionless-Information-Transfer does not
dissect LPPa APDU
Product: Wireshark
Version: SVN
Platform: x86-64
OS/Version: Windows 7
Status: NEW
Severity: Major
Priority: Low
Component: Wireshark
AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
ReportedBy: jleskovar@xxxxxxxxx
Created attachment 7830
--> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=7830
LCSAP Connectionless-Transfer procedure with Embedded LPPa payload
Build Information:
Version 1.7.1-SVN-41018 (SVN Rev 41018 from /trunk)
Copyright 1998-2012 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 (64-bit) with GTK+ 2.22.1, with Cairo 1.10.2, with Pango 1.28.3, with
GLib 2.26.1, with WinPcap (4_1_2), with libz 1.2.5, without POSIX capabilities,
with SMI 0.4.8, with c-ares 1.7.1, with Lua 5.1, without Python, with GnuTLS
2.10.3, with Gcrypt 1.4.6, without Kerberos, with GeoIP, with PortAudio
V19-devel (built Feb 13 2012), with AirPcap.
Running on 64-bit Windows 7, build 7600, with WinPcap version 4.1.2 (packet.dll
version 4.1.0.2001), based on libpcap version 1.0 branch 1_0_rel0b (20091008),
GnuTLS 2.10.3, Gcrypt 1.4.6, without AirPcap.
Built using Microsoft Visual C++ 9.0 build 21022
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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LCSAP connection-oriented-transfer procedures may contain an embedded LPP or
LPPa payload, which Wireshark dissects depending on the value of the
Payload-Type IE , which can be either LPP or LPPa. However, Wireshark does not
correctly dissect embedded payloads within LCSAP connectionless-transfer
procedures, which according to 3GPP TS 29.171 LCS-AP, can only contain an LPPa
payload within the APDU IE of the procedure.
Attached is a pcap file containing an LCSAP connectionless-transfer procedure
with an embedded LPPa payload, which currently Wireshark does not dissect.
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