https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3774
Summary: Beef up CCSDS length check to account for presence of
802.3 FCS
Product: Wireshark
Version: SVN
Platform: Other
OS/Version: Mac OS X 10.5
Status: NEW
Severity: Enhancement
Priority: Low
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: parrisimo@xxxxxxxxx
Build Information:
Version 1.3.0 (SVN Rev 29179 from /trunk)
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+ 2.14.8, with GLib 2.18.5, with libpcap 0.9.5, with libz
1.2.3, without POSIX capabilities, without libpcre, without SMI, without
c-ares,
without ADNS, without Lua, without Python, without GnuTLS, without Gcrypt, with
MIT Kerberos, without GeoIP, without PortAudio, without AirPcap.
NOTE: this build doesn't support the "matches" operator for Wireshark filter
syntax.
Running on Darwin 9.7.0 (MacOS 10.5.7), with libpcap version 0.9.5.
Built using gcc 4.0.1 (Apple Inc. build 5490).
Wireshark is Open Source Software released under the GNU General Public
License.
Check the man page and http://www.wireshark.org for more information.
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Current code assumes that no FCS is present in the 802.3 packet.
Patch utilizes techniques incorporated in the packet-ieee8023.c dissect_802_3()
routine to dynamically calculate the remaining payload length. This is then
compared to the length included in the CCSDS header.
fuzz-test.sh on 13 capture files resulted in 200 successful passes.
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