https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7959
Summary: USB Descriptor Dissector fails for strings with odd
bLength.
Product: Wireshark
Version: SVN
Platform: x86-64
OS/Version: Debian
Status: NEW
Severity: Normal
Priority: Low
Component: Dissection engine (libwireshark)
AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
ReportedBy: desowin@xxxxxxxxx
Created attachment 9496
--> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=9496
Fix usb_setup_get_descriptor_response() for string type descriptors with odd
bLength.
Build Information:
wireshark 1.9.0 (SVN Rev 1deb8ff from master)
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 2.32.4, with libpcap, with libz 1.2.7, with POSIX capabilities (Linux),
with libnl 1, with SMI 0.4.8, with c-ares 1.9.1, with Lua 5.1, without Python,
with GnuTLS 2.12.20, with Gcrypt 1.5.0, with MIT Kerberos, with GeoIP, with
PortAudio V19-devel (built Dec 7 2011 23:15:44), without AirPcap.
Running on Linux 3.5.0, 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.
--
Some devices send odd bLength field in GET DESCRIPTOR Response STRING which
causes an exception, as the dissector assumes the strings have even length.
The packets in digitech-rp250.pcapng capture file that cause an exception and
thus are erroneously marked as malformed are: 59, 61, 65, 67, 69, 99, 101,
103, 112.
Mentioned digitech-rp250.pcapng file was posted in #7809.
https://bugs.wireshark.org/bugzilla/attachment.cgi?id=9298
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