Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 4202] New: bitstring decoding problem in packet-per.c

[bugzilla-daemon@xxxxxxxxxxxxx]

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4202

           Summary: bitstring decoding problem in packet-per.c
           Product: Wireshark
           Version: 1.3.x (Experimental)
          Platform: All
        OS/Version: Windows XP
            Status: NEW
          Severity: Major
          Priority: Low
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: yychencsie@xxxxxxxxxx


Build Information:
Version 1.3.2

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+ 2.16.6, with GLib 2.22.2, 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, without Python, with GnuTLS 2.8.1, with Gcrypt
1.4.4, with MIT Kerberos, with GeoIP, with PortAudio V19-devel (built Nov  3
2009), with AirPcap, with new_packet_list.

Running on Windows XP Service Pack 2, 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.
--
In 30770, the function new_octet_aligned_subset_bits(.) is modified.
But it seems line 202 is omitted.
And it causes bitstring decoding error.

old: return new_octet_aligned_subset(tvb, offset, actx, new_length);
new: return new_octet_aligned_subset(tvb, boffset, actx, new_length);


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