https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4540
Summary: 6LoWPAN extension headers decompressed with incorrect
length
Product: Wireshark
Version: 1.3.x (Experimental)
Platform: Other
OS/Version: Windows XP
Status: NEW
Severity: Major
Priority: Low
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: osk@xxxxxxxxxx
Created an attachment (id=4340)
--> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=4340)
Fix for 6LoWPAN NHC lenth computation.
Build Information:
Version 1.3.4
Copyright 1998-2010 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+ 2.18.7, with GLib 2.22.4, with WinPcap (version unknown),
with libz 1.2.3, without POSIX capabilities, without libpcre, with SMI 0.4.8,
with c-ares 1.7.0, with Lua 5.1, without Python, with GnuTLS 2.8.5, with Gcrypt
1.4.5, with MIT Kerberos, with GeoIP, with PortAudio V19-devel (built Feb 26
2010), with AirPcap, with new_packet_list.
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, GnuTLS 2.8.5,
Gcrypt 1.4.5, 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.
--
I've come across a bug in the 6LoWPAN header decompression code that
incorrectly computes the length of IPv6 extension headers by adding the
protocol and length fields twice. The attached patch should correct the length
computation.
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