Wireshark-bugs: [Wireshark-bugs] [Bug 11458] New: Wireshark doesn't detect mismatched link-layer
| Bug ID |
11458
|
| Summary |
Wireshark doesn't detect mismatched link-layer protocol ID and IP version
|
| Product |
Wireshark
|
| Version |
Git
|
| Hardware |
x86
|
| OS |
All
|
| Status |
UNCONFIRMED
|
| Severity |
Normal
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
bugzilla-admin@wireshark.org
|
| Reporter |
joao.valverde@tecnico.ulisboa.pt
|
Created attachment 13809 [details]
IPv6 over EtherType 0x0800
Build Information:
Wireshark 1.99.9 (v1.99.9rc0-322-ga5fe54d from unknown)
Copyright 1998-2015 Gerald Combs <gerald@wireshark.org> and contributors.
License GPLv2+: GNU GPL version 2 or later
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
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+ 3.16.6, with Cairo 1.14.2, with Pango 1.36.8, with
libpcap, with POSIX capabilities (Linux), with libnl 3, with libz 1.2.8, with
GLib 2.44.1, without SMI, without c-ares, without ADNS, with Lua 5.2, with
GnuTLS 3.4.3, with Gcrypt 1.6.3, with MIT Kerberos, with GeoIP, with PortAudio
V19-devel (built Jan 31 2014 21:19:35), without AirPcap.
Built using gcc 5.2.0.
--
For link-layers encapsulating IP that demultiplex between IPv4 and IPv6, e.g,
Ethernet II, Wireshark doesn't report to the user when the link-layer says it
has IPv4 but it is really encapsulating IPv6 (e.g, IPv6 over Ethertype 0x0800).
This should be an expert info warning IMO. See attached pcap.
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