| Bug ID |
10233
|
| Summary |
Wireshark crashes if Lua heuristic dissector returns true
|
| Classification |
Unclassified
|
| Product |
Wireshark
|
| Version |
Git
|
| Hardware |
x86-64
|
| OS |
Windows 7
|
| Status |
UNCONFIRMED
|
| Severity |
Major
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Build Information:
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, with GnuTLS 3.1.22, with Gcrypt 1.6.0, without Kerberos,
with GeoIP, with PortAudio V19-devel (built Jun 23 2014), 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 3.1.22, Gcrypt 1.6.0, without AirPcap.
Intel(R) Core(TM) i5-2540M CPU @ 2.60GHz (with SSE4.2), with 8072MB of
physical memory.
Built using Microsoft Visual C++ 10.0 build 30319
--
As the title says, Wireshark crashes if a Lua heuristic dissector returns true.
Easy steps to reproduce (assuming your version of Wireshark already has Lua
support):
1) Visit http://wiki.wireshark.org/Lua/Examples and download the sample
dissector.lua and dns_port.pcap files.
2) Edit dissector.lua, changing the default settings as follows so that
heuristics are enabled and heur_dissect_dns() is guaranteed to be called:
SETTING OLD NEW
port 65333 64333
heur_enabled FALSE* true
*presumably this should have been false?
3) Copy dissector.lua into <personal configuration>\plugins\ folder.
4) Start Wireshark.
5) Load the dns_port.pcap file into Wireshark. ==> Crash!
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