Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 7477] New: UMA dissector bug causes error in proto.c

[bugzilla-daemon@xxxxxxxxxxxxx]

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7477

           Summary: UMA dissector bug causes error in proto.c
           Product: Wireshark
           Version: SVN
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: Low
         Component: Dissection engine (libwireshark)
        AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
        ReportedBy: laforge@xxxxxxxxxxxx


Created attachment 8773
  --> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=8773
patch to fix the issue

Build Information:
wireshark 1.9.0 (SVN Rev Unknown from unknown)

Copyright 1998-2012 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 (64-bit) with GTK+ 2.24.10, with Cairo 1.12.2, with Pango 1.30.0, with
GLib 2.32.3, with libpcap, with libz 1.2.7, with POSIX capabilities (Linux),
with libnl 1, without SMI, without c-ares, with ADNS, without Lua, without
Python, with GnuTLS 2.12.20, with Gcrypt 1.5.0, with MIT Kerberos, with GeoIP,
with PortAudio <= V18, without AirPcap.

Running on Linux 3.2.0-2-amd64, with locale en_US.UTF-8, with libpcap version
1.3.0, with libz 1.2.7, GnuTLS 2.12.20, Gcrypt 1.5.0.

Built using gcc 4.7.1.

--
The wireshark dissector for UMA passes an object of 7 bytes length into the
wireshark core to interpret it as MAC address.  However, proto.c line 1346
checks if the length is 6, and throws an assert as 7 != 6.

Please see the patch attached.

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