http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1508
Summary: CIC parameter in ISUP message not decoded correctly
Product: Wireshark
Version: 0.99.5
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: Normal
Priority: Medium
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: chrsco@xxxxxxxxx
Build Information:
Compiled with GTK+ 2.10.7, with GLib 2.12.7, with WinPcap (version unknown),
with libz 1.2.3, with libpcre 6.4, with Net-SNMP 5.4, with ADNS, with Lua 5.1,
with GnuTLS 1.6.1, with Gcrypt 1.2.3, with MIT Kerberos, with PortAudio
PortAudio V19-devel, with AirPcap.
Running on Windows XP Service Pack 2, build 2600, with WinPcap version 4.0
(packet.dll version 4.0.0.755), based on libpcap version 0.9.5, without
AirPcap.
Built using Microsoft Visual C++ 6.0 build 8804
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The Circuit Identification Code (CIC) field in ISDN User Part (ISUP) Block
message is decoded incorrectly. The field is 2 bytes long. The high order
nibble is not counted when calculating decimal value of CIC. In the packet
below CIC is 0x2b 23. Rather than decoding 9003 in decimal Wireshark is
decoding value as decimal 811 or 0x32 b
0000 00 13 80 e1 fb 00 00 03 ba 83 38 55 08 00 45 00 ..........8U..E.
0010 00 64 d1 f8 00 00 ff 84 3f eb 18 18 0c e3 18 1d .d......?.......
0020 6c 1a 2b 5c 0b 5a 4e aa d6 c3 35 89 e6 10 03 00 l.+\.ZN...5.....
0030 00 10 4e b8 22 02 00 00 0b b8 00 00 00 00 00 03 ..N."...........
0040 00 34 4e ae 5e 9a 00 01 98 94 00 00 00 03 01 00 .4N.^...........
0050 01 01 00 00 00 24 00 06 00 08 00 00 27 1b 02 10 .....$......'...
0060 00 13 00 05 5e e3 00 f8 30 05 05 02 00 0f 2b 23 ....^...1.....+#
0070 13 a0 ..
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