https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4209
Summary: About de_sup_codec_list(.) in packet-gsm_a_dtap.c
Product: Wireshark
Version: 1.3.x (Experimental)
Platform: All
OS/Version: Windows XP
Status: NEW
Severity: Minor
Priority: Low
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: yychencsie@xxxxxxxxxx
Build Information:
Version 1.3.2
Copyright 1998-2009 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+ 2.16.6, with GLib 2.22.2, with WinPcap (version unknown),
with libz 1.2.3, without POSIX capabilities, with libpcre 7.0, with SMI 0.4.8,
with c-ares 1.6.0, with Lua 5.1, without Python, with GnuTLS 2.8.1, with Gcrypt
1.4.4, with MIT Kerberos, with GeoIP, with PortAudio V19-devel (built Nov 3
2009), with AirPcap, with new_packet_list.
Running on Windows XP Service Pack 2, build 2600, with WinPcap version 4.1.1
(packet.dll version 4.1.0.1753), based on libpcap version 1.0 branch 1_0_rel0b
(20091008), GnuTLS 2.8.1, Gcrypt 1.4.4, without AirPcap.
Built using Microsoft Visual C++ 9.0 build 30729
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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In Revision 29963, there is enhancement for decoding Supported codec list IE.
But in de_sup_codec_list(.), the current_offset update seems to be incorrect.
The suggested patch is
packet-gsm_a_dtap.c (revision 30759) line 3505
old:
curr_offset = curr_offset + length;
new:
curr_offset++;
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