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: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: david.dombek@xxxxxxxxx
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 <gerald@xxxxxxxxxxxxx> 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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