http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=2439
Summary: patch for tvb_get_bits16 not to read past end of buffer
Product: Wireshark
Version: SVN
Platform: All
OS/Version: All
Status: NEW
Severity: Normal
Priority: Medium
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: mccart@xxxxxxxxxxxxxxxxxx
Michael McCartney <mccart@xxxxxxxxxxxxxxxxxx> changed:
What |Removed |Added
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Attachment #1654| |review_for_checkin?
Flag| |
Created an attachment (id=1654)
--> (http://bugs.wireshark.org/bugzilla/attachment.cgi?id=1654)
epan/tvbuff.c svn diff patch
Build Information:
wireshark -v
wireshark 1.0.99
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+ 2.12.0, with GLib 2.14.1, with libpcap 0.9.7, with libz
1.2.3.3, without POSIX capabilities, with libpcre 7.4, without SMI, with ADNS,
without Lua, with GnuTLS 1.6.3, with Gcrypt 1.2.4, without Kerberos, without
PortAudio, without AirPcap.
Running on Linux 2.6.22-14-generic, with libpcap version 0.9.7.
Built using gcc 4.1.3 20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2).
--
When using proto_tree_add_bits_item() on the last 11 bits
of the last 2 bytes in tvb, malformed packet error occurs
because tvb_get_bits16() tries to read past end of buffer.
This patch fixes tvb_get_bits16() using similiar fix in
tvb_get_bits8(). Tested and works.
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