https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=2949
Summary: parallel redundancy protocol denial of service
Product: Wireshark
Version: 1.0.3
Platform: PC
OS/Version: All
Status: NEW
Severity: Major
Priority: Low
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: david.maciejak@xxxxxxxxx
Created an attachment (id=2334)
--> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=2334)
prp dos poc
Build Information:
wireshark 1.0.3
Copyright 1998-2008 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+ 2.12.9, with GLib 2.16.4, with libpcap 0.9.5, with libz
1.2.3.3, with POSIX capabilities (Linux), with libpcre 7.4, with SMI 0.4.5,
with
ADNS, without Lua, with GnuTLS 2.0.4, with Gcrypt 1.2.4, with MIT Kerberos,
without PortAudio, without AirPcap.
Running on Linux 2.6.24-19-generic, with libpcap version 0.9.5.
Built using gcc 4.2.3 (Ubuntu 4.2.3-2ubuntu7).
--
Enabling the PRP dissector on the traffic enclosed crashes Wireshark.
see lt-tshark gdb trace below:
**
** ERROR:(packet.c:336):dissect_packet: code should not be reached
Program received signal SIGABRT, Aborted.
[Switching to Thread 0xb60e4b60 (LWP 21405)]
0xb7f93410 in __kernel_vsyscall ()
(gdb) backtrace
#0 0xb7f93410 in __kernel_vsyscall ()
#1 0xb615d085 in raise () from /lib/tls/i686/cmov/libc.so.6
#2 0xb615ea01 in abort () from /lib/tls/i686/cmov/libc.so.6
#3 0xb6533751 in g_assertion_message () from /usr/lib/libglib-2.0.so.0
#4 0xb69cbea9 in dissect_packet (edt=0x846e6a0, pseudo_header=0x8448f94,
pd=0x844f8a0 "�\003", fd=0xbfeefbe4, cinfo=0x0) at packet.c:336
#5 0xb69c0f14 in epan_dissect_run (edt=0x846e6a0, pseudo_header=0x8448f94,
data=0x844f8a0 "�\003", fd=0xbfeefbe4, cinfo=0x0) at epan.c:161
#6 0x08063abc in process_packet (cf=0x80743e0, offset=209, whdr=0x8448f80,
pseudo_header=0x8448f94, pd=0x844f8a0 "�\003") at tshark.c:2452
#7 0x080666f8 in main (argc=3, argv=0xbfeeff04) at tshark.c:2248
Regards,
David Maciejak of Fortinet's FortiGuard Global Security Research Team
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