https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13910
Bug ID: 13910
Summary: VNC Protocol disector : Framebuffer Updates
Product: Wireshark
Version: 2.2.6
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: Normal
Priority: Low
Component: Dissection engine (libwireshark)
Assignee: bugzilla-ad...@wireshark.org
Reporter: smncr...@gmail.com
Target Milestone: ---
Created attachment 15706
--> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=15706&action=edit
Capture of VNC Session .. Frame # 118 Marked As Malformed
Build Information:
Version 2.2.6 (Git Rev Unknown from unknown)
Copyright 1998-2017 Gerald Combs <ger...@wireshark.org> and contributors.
License GPLv2+: GNU GPL version 2 or later
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
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 Qt 5.5.1, with libpcap, with POSIX capabilities (Linux),
with libnl 3, with GLib 2.48.0, with zlib 1.2.8, with SMI 0.4.8, with c-ares
1.10.0, with Lua 5.2.4, with GnuTLS 3.4.10, with Gcrypt 1.6.5, with MIT
Kerberos, with GeoIP, with nghttp2 1.7.1, with QtMultimedia, without AirPcap.
Running on Linux 4.4.0-83-generic, with locale en_GB.UTF-8, with libpcap
version
1.7.4, with GnuTLS 3.4.10, with Gcrypt 1.6.5, with zlib 1.2.8.
Intel(R) Xeon(R) CPU E5-1620 v3 @ 3.50GHz (with SSE4.2)
Built using gcc 5.4.0 20160609.
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It appears that VNC server updates which go over a single frame become
problematic, in that the first frame is marked as being Malformed and the
subsequent frames are marked as corrupt.
In the attached capture it starts at frame 118
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