Wireshark-bugs: [Wireshark-bugs] [Bug 12223] New: wlan, wlan_mgt, Length error shown for IE BSS
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 02 Mar 2016 11:34:56 +0000
Bug ID 12223
Summary wlan, wlan_mgt, Length error shown for IE BSS AC Access Delay/WAPI Parameter Set (68)
Product Wireshark
Version 1.12.3
Hardware x86
OS Windows 7
Status UNCONFIRMED
Severity Major
Priority Low
Component Dissection engine (libwireshark)
Assignee bugzilla-admin@wireshark.org
Reporter sunnye_27349@yahoo.com 

Created attachment 14390 [details]
veriwave capture file showing decode error

Build Information:
Version 1.12.3 (Git Rev Unknown from unknown)

Copyright 1998-2015 Gerald Combs <gerald@wireshark.org> 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 (32-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,
with
MIT Kerberos, with GeoIP, with PortAudio V19-devel (built Aug 12 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) i5-2500 CPU @ 3.30GHz, with 8148MB of physical
memory.


Built using Microsoft Visual C++ 12.0 build 31101

Wireshark is Open Source Software released under the GNU General Public
License.

Check the man page and http://www.wireshark.org for more information.
--
Length error shown but length is correct.
Use filter wlan_mgt.ssid == "teddy" on attached file and look at beacon frames.

Tag: BSS AC Access Delay/WAPI Parameter Set
    Tag Number: BSS AC Access Delay/WAPI Parameter Set (68)
    Tag length: 4
        [Expert Info (Error/Malformed): BSS AC Access Delay length 4 wrong,
must = 4]
            [BSS AC Access Delay length 4 wrong, must = 4]
            [Severity level: Error]
            [Group: Malformed]

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