Wireshark-bugs: [Wireshark-bugs] [Bug 11936] New: DNP3 Dissector does not properly decode 'Read'
| Bug ID |
11936
|
| Summary |
DNP3 Dissector does not properly decode 'Read' Requests that contain a 'list of points'
|
| Product |
Wireshark
|
| Version |
Git
|
| Hardware |
x86
|
| OS |
Windows 8
|
| Status |
CONFIRMED
|
| Severity |
Major
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
bugzilla-admin@wireshark.org
|
| Reporter |
cbontje@gmail.com
|
Build Information:
Version 2.1.0 (Git Rev Unknown from unknown)
Copyright 1998-2015 Gerald Combs <gerald@wireshark.org> and contributors.
License GPLv2+: GNU GPL version 2 or later
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
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 (32-bit) with GTK+ 2.24.23, with Cairo 1.10.2, with Pango 1.34.0, with
WinPcap (4_1_3), with libz 1.2.8, with GLib 2.38.0, with SMI 0.4.8, with c-ares
1.9.1, with Lua 5.2, with GnuTLS 3.2.15, with Gcrypt 1.6.2, with MIT Kerberos,
with GeoIP, with PortAudio V19-devel (built Dec 28 2015), with AirPcap.
Running on 64-bit Windows 8, build 9200, with locale English_United
States.1252,
with WinPcap version 4.1.3 (packet.dll version 4.1.0.2980), based on libpcap
version 1.0 branch 1_0_rel0b (20091008), with GnuTLS 3.2.15, with Gcrypt 1.6.2,
without AirPcap.
Intel(R) Core(TM) i7-3687U CPU @ 2.10GHz (with SSE4.2), with 8074MB of
physical memory.
Built using Microsoft Visual C++ 10.0 build 40219
--
DNP3 Dissector does not properly decode 'Read' Requests that use the 'list of
points' specifier available in many DNP3 test-set software packages. This is
due to an unexpected combination of the Index and Qualifier codes that don't
increment an 'offset' parameter and will eventually lead to a infinite loop in
the tree builder routine.
A patch will be provided soon via GIT to compensate for this condition and
handle the 'Read' message properly.
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