| Bug ID |
9798
|
| Summary |
Incorrect number of reserved bytes at end of stations informations in Network Info Confirmation of Homeplug AV protocol
|
| Classification |
Unclassified
|
| Product |
Wireshark
|
| Version |
1.10.5
|
| Hardware |
x86-64
|
| OS |
Windows 7
|
| Status |
UNCONFIRMED
|
| Severity |
Normal
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Created attachment 12572 [details]
Network Info Confirmation of Homeplug AV protocol showing incorrect number of
reserved bytes
Build Information:
Version 1.10.5 (SVNRev 54262 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 Dec 19 2013), with AirPcap.
Running on 64-bit Windows 7 Service Pack 1, build 7601, with WinPcap version
4.1.3 (packet.dll version 4.1.0.2980), 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) i7-3770 CPU @ 3.40GHz, with 32728MB of physical
memory.
Built using Microsoft Visual C++ 10.0 build 40219
--
At the end of the stations informations field of a Network Info Confirmation
message in the Homeplug AV protocol the dissector has only 1 reserved byte. At
least in the Devolo dLan 500 AV range of devices this is 2 bytes long, so all
subsequent stations informations fields are off by 1, 2, 3 etc bytes.
The dissector line in question would seem to be line 1407 of
[wireshark.git]/epan/dissectors/packet-homeplug-av.c where
ptvcursor_add(cursor, hf_homeplug_av_reserved, 1, ENC_NA);
should be
ptvcursor_add(cursor, hf_homeplug_av_reserved, 2, ENC_NA);
near the bottom of dissect_homeplug_av_nw_info_sta.
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