Wireshark-bugs: [Wireshark-bugs] [Bug 3987] New: DHCPv6, Vendor-Specific Informantion, SubOption
Date: Mon, 7 Sep 2009 04:57:03 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3987

           Summary: DHCPv6, Vendor-Specific Informantion, SubOption"Option
                    Request" parser incorrect
           Product: Wireshark
           Version: 1.2.1
          Platform: x86
        OS/Version: Windows XP
            Status: NEW
          Severity: Minor
          Priority: Low
         Component: Wireshark
        AssignedTo: [email protected]
        ReportedBy: [email protected]


Created an attachment (id=3615)
 --> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=3615)
It is a picture to indicate the incorrect captured packets

Build Information:
Version 1.2.1 (SVN Rev 29141)

Copyright 1998-2009 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 with GTK+ 2.16.2, with GLib 2.20.3, with WinPcap (version unknown),
with libz 1.2.3, without POSIX capabilities, with libpcre 7.0, with SMI 0.4.8,
with c-ares 1.6.0, with Lua 5.1, with GnuTLS 2.8.1, with Gcrypt 1.4.4, with MIT
Kerberos, with GeoIP, with PortAudio V19-devel (built Jul 19 2009), with
AirPcap.

Running on Windows XP Service Pack 3, build 2600, with WinPcap version 4.1
beta5
(packet.dll version 4.1.0.1452), based on libpcap version 1.0.0, GnuTLS 2.8.1,
Gcrypt 1.4.4, 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.
--
When I capture DHCPv6 Solicit packet, in "Packet Details" window of wireshark, 
this packet include option "Vendor-specific Information", the enterprise-number
is 4491, and the suboptions are defined in eRouter
Spec(http://cablelabs.net/specifications/CL-SP-CANN-DHCP-Reg-I02-080306.pdf),
wireshark can show suboption 1(Option request), but the following information
is overflow.
In my attachment file, you will see, that the suboption type is 1, length is
10(0x000a), the value are 32(0x0020) 33(0x0021) 34(0x0022) 37(0x0025)
38(0x0026), but it shows "Suboption 1: Option Request =  32 33 34 37 38 14 0 20
0 16", I think, "14 0 20 0 16" should not show at the following.


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