Wireshark-bugs: [Wireshark-bugs] [Bug 9088] New: Wrong dissection of MSTI Root Identifiers for a

Date: Fri, 30 Aug 2013 22:57:58 +0000
Bug ID 9088
Summary Wrong dissection of MSTI Root Identifiers for all MSTIs
Classification Unclassified
Product Wireshark
Version 1.10.0
Hardware x86-64
OS Windows 7
Status UNCONFIRMED
Severity Normal
Priority Low
Component Dissection engine (libwireshark)
Assignee [email protected]
Reporter [email protected]

Created attachment 11480 [details]
Example MSTP BPDU

Build Information:
Version 1.10.0 (SVN Rev 49790 from /trunk-1.10)

Copyright 1998-2013 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+ 2.24.14, with Cairo 1.10.2, with Pango 1.30.1, with
GLib 2.34.1, with WinPcap (4_1_3), with libz 1.2.5, without POSIX capabilities,
without libnl, with SMI 0.4.8, with c-ares 1.9.1, with Lua 5.1, without Python,
with GnuTLS 2.12.18, with Gcrypt 1.4.6, without Kerberos, with GeoIP, with
PortAudio V19-devel (built Jun  5 2013), with AirPcap.

Running on 64-bit Windows 7 Service Pack 1, build 7601, 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 2.12.18, Gcrypt 1.4.6, without AirPcap.
        Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz, with 8144MB of physical
memory.


Built using Microsoft Visual C++ 10.0 build 40219
--
In a Multiple Spanning Tree Protocol (MSTP) BPDU, the bridge system ID portion
of an MST Instance Root Identifier is displayed wrong for all MSTIs in a BPDU. 

To reproduce: 
Open any MSTP BPDUs and inspect MSTI Root Identifiers. 
See attached capture file. Correct Root Identifier for MSTI 1 is
00:1e:f7:05:a8:80.

Bug introduced in Wireshark 1.10.0. Displayed correctly in 1.8.x.


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