https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16667

            Bug ID: 16667
           Summary: Dissector for ASTERIX CAT001 / 050 does not parse out
                    the top 3 bits of Octet 1
           Product: Wireshark
           Version: 3.2.4
          Hardware: x86
                OS: Windows 7
            Status: UNCONFIRMED
          Severity: Normal
          Priority: Low
         Component: Dissection engine (libwireshark)
          Assignee: bugzilla-ad...@wireshark.org
          Reporter: jacqui.lore...@sunhillo.com
  Target Milestone: ---

Created attachment 17856
  --> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=17856&action=edit
PCAP file with CAT001/050

Build Information:
3.2.4 (v3.2.4-0-g893b5a5e1e3e)

Compiled (64-bit) with Qt 5.12.8, with WinPcap SDK (WpdPack) 4.1.2, with GLib
2.52.3, with zlib 1.2.11, with SMI 0.4.8, with c-ares 1.15.0, with Lua 5.2.4,
with GnuTLS 3.6.3 and PKCS #11 support, with Gcrypt 1.8.3, with MIT Kerberos,
with MaxMind DB resolver, with nghttp2 1.39.2, with brotli, with LZ4, with
Zstandard, with Snappy, with libxml2 2.9.9, with QtMultimedia, with automatic
updates using WinSparkle 0.5.7, with AirPcap, with SpeexDSP (using bundled
resampler), with SBC, with SpanDSP, with bcg729.

Running on 64-bit Windows 7 Service Pack 1, build 7601, with        Intel(R)
Core(TM) i3-3227U CPU @ 1.90GHz (with SSE4.2), with 8067 MB of physical memory,
with locale English_United States.1252, with light display mode, without HiDPI,
with WinPcap version 4.1.2 (packet.dll version 4.1.0.2001), based on libpcap
version 1.0 branch 1_0_rel0b (20091008), with GnuTLS 3.6.3, with Gcrypt 1.8.3,
with brotli 1.0.2, without AirPcap, binary plugins supported (19 loaded).

Built using Microsoft Visual Studio 2019 (VC++ 14.25, build 28614).

--
In accordance with Edition 1.2 of the CAT001 spec, the dissector should parse
out bits 16-14 (octet 1) of /050 (Mode 2 code) in the same manner as /070 (Mode
3/A code).

See packet #13 in attachment for sample with 001/050.

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