Wireshark-bugs: [Wireshark-bugs] [Bug 10959] New: Wireshark doesn't parse options after IPv4 MTU
| Bug ID |
10959
|
| Summary |
Wireshark doesn't parse options after IPv4 MTU Reply option with bad length
|
| Product |
Wireshark
|
| Version |
1.12.3
|
| Hardware |
x86-64
|
| OS |
Windows 7
|
| Status |
UNCONFIRMED
|
| Severity |
Minor
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
bugzilla-admin@wireshark.org
|
| Reporter |
boaz.brickner@gmail.com
|
Created attachment 13446 [details]
IPv4 packet with Bad MTU Reply option length
Build Information:
Version 1.12.3 (v1.12.3-0-gbb3e9a0 from master-1.12)
Copyright 1998-2015 Gerald Combs <gerald@wireshark.org> 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 (64-bit) with GTK+ 2.24.23, with Cairo 1.10.2, with Pango 1.34.0, with
GLib 2.38.0, with WinPcap (4_1_3), with libz 1.2.5, with SMI 0.4.8, with c-ares
1.9.1, with Lua 5.2, without Python, with GnuTLS 3.2.15, with Gcrypt 1.6.2,
without Kerberos, with GeoIP, with PortAudio V19-devel (built Jan 7 2015),
with
AirPcap.
Running on 64-bit Windows 7 Service Pack 1, build 7601, with WinPcap version
4.1.3 (packet.dll version 4.1.0.2980), based on libpcap version 1.0 branch
1_0_rel0b (20091008), GnuTLS 3.2.15, Gcrypt 1.6.2, without AirPcap.
Intel(R) Core(TM) i5-3550 CPU @ 3.30GHz, with 16345MB of physical
memory.
Built using Microsoft Visual C++ 10.0 build 40219
Wireshark is Open Source Software released under the GNU General Public
License.
Check the man page and http://www.wireshark.org for more information.
--
Discovered while working on Pcap.Net (http://pcapdot.net).
In the attached pcap file there's a single IPv4 packet with IPv4 options.
The first IPv4 options is MTU Reply option, but its option length is too big.
Wireshark stops parsing the IPv4 options even though it could parse the rest of
the options.
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