| Bug ID |
10384
|
| Summary |
btle advertising header flags (RxAdd/TxAdd) dissected incorrectly
|
| Product |
Wireshark
|
| Version |
1.12.0
|
| Hardware |
x86-64
|
| OS |
Windows 7
|
| Status |
UNCONFIRMED
|
| Severity |
Major
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Build Information:
Version 1.12.0 (v1.12.0-0-g4fab41a from master-1.12)
Copyright 1998-2014 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 3.1.22, with Gcrypt 1.6.0,
without Kerberos, with GeoIP, with PortAudio V19-devel (built Jul 31 2014),
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 3.1.22, Gcrypt 1.6.0, without AirPcap.
Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz, with 4052MB of physical
memory.
Built using Microsoft Visual C++ 10.0 build 40219
--
The TxAdd/RxAdd/RFU nibble of the btle advertising header flags is dissected
mirrored so that RFU is interpreted as TxAdd/RxAdd and vice versa.
The Bluetooth Core Spec Volume 6, Part B, section 2.3 specifies the bit order
of the byte as (MSBit first): RxAdd (1 bit), TxAdd (1 bit), RFU (2 bits), PDU
Type (4 bits).
This is dissected as RFU, TxAdd, RxAdd, PDU Type.
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