Wireshark-bugs: [Wireshark-bugs] [Bug 8857] New: Dropped bytes in imap dissector

Date: Thu, 27 Jun 2013 09:09:54 +0000
Bug ID 8857
Summary Dropped bytes in imap dissector
Classification Unclassified
Product Wireshark
Version 1.11.x (Experimental)
Hardware x86
OS Ubuntu
Status UNCONFIRMED
Severity Minor
Priority Low
Component Dissection engine (libwireshark)
Assignee [email protected]
Reporter [email protected]

Created attachment 11081 [details]
pcap file illustrating bug

Build Information:
wireshark 1.11.0 (SVN Rev 49756 from /trunk)

Copyright 1998-2013 Gerald Combs <[email protected]> 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 (32-bit) with GTK+ 2.24.10, with Cairo 1.10.2, with Pango 1.30.0, with
GLib 2.32.3, with libpcap, with libz 1.2.3.4, without POSIX capabilities,
without libnl, without SMI, without c-ares, without ADNS, without Lua, without
Python, without GnuTLS, without Gcrypt, without Kerberos, without GeoIP,
without
PortAudio, with AirPcap.

Running on Linux 3.2.0-41-generic-pae, with locale en_ZA.UTF-8, with libpcap
version 1.3.0, with libz 1.2.3.4, without AirPcap.

Built using gcc 4.6.3.

--
When dissecting an imap packet the final few bytes in a byte stream are not
picked up by the dissector.

It seems to happen when a byte stream is carried over multiple packets and the
packet ends with just a few bits after the last line terminator (\r\n).

Attached is a pcap file reproducing the bug.


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