Wireshark-bugs: [Wireshark-bugs] [Bug 4050] New: ISUP ACM with invalid packet is not identified
Date: Thu, 24 Sep 2009 09:36:25 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4050

           Summary: ISUP ACM with invalid packet is not identified as
                    protocol error
           Product: Wireshark
           Version: 1.2.2
          Platform: Other
        OS/Version: Windows XP
            Status: NEW
          Severity: Normal
          Priority: Low
         Component: Wireshark
        AssignedTo: [email protected]
        ReportedBy: [email protected]


Created an attachment (id=3698)
 --> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=3698)
ISUP ACM pcap

Build Information:
Version 1.2.2 (SVN Rev 29910)

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 Sep 14 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.
--
Attached is an ISUP, ACM packet.

The optional pointer exists to optional backwards parameters.  The parameter
length is set to 1 but 2 bytes are returned.  The 2nd byte is not identified as
a protocol error.  It is not handled.

I have attached a pcap.


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