| Bug ID |
11354
|
| Summary |
PIM null-register according to rfc4601 is incorrectly parsed
|
| Product |
Wireshark
|
| Version |
1.12.6
|
| Hardware |
x86
|
| OS |
Windows 7
|
| Status |
UNCONFIRMED
|
| Severity |
Major
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Created attachment 13725 [details]
sample null-register
Build Information:
wireshark 1.12.3 (v1.12.3-0-gbb3e9a0 from master-1.12)
Copyright 1998-2015 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+ 2.24.23, with Cairo 1.10.2, with Pango 1.34.0, with
GLib 2.38.0, with WinPcap (4_1_3), with libz 1.2.5, with SMI 0.4.8, with c-ares
1.9.1, with Lua 5.2, without Python, with GnuTLS 3.2.15, with Gcrypt 1.6.2,
without Kerberos, with GeoIP, with PortAudio V19-devel (built Jan 7 2015),
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 3.2.15, Gcrypt 1.6.2, without AirPcap.
Intel(R) Core(TM) i5-3380M CPU @ 2.90GHz, with 8123MB of physical
memory.
Built using Microsoft Visual C++ 10.0 build 40219
--
rfc 2362, section 4.3 specifies that the dummy header of a null-register should
only contain S and G but rfc 4601 section 4.9.3 updates this with the
following:
When generating an IPv4 Null-Register
message, the fields in the dummy IPv4 header SHOULD be filled in
according to the following table. Other IPv4 header fields may
contain any value that is valid for that field.
Field Value
---------------------------------------
IP Version 4
Header Length 5
Checksum Header checksum
Fragmentation offset 0
More Fragments 0
Total Length 20
IP Protocol 103 (PIM)
The current dissector seems to assume the ip version field is still 0.
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