[Bug 705683] New: [srtp] invalid packets results in GST_FLOW_ERROR

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=705683
  GStreamer | gst-plugins-bad | 1.x

           Summary: [srtp] invalid packets results in GST_FLOW_ERROR
    Classification: Platform
           Product: GStreamer
           Version: 1.x
        OS/Version: Windows
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: Morgan.Lindqvist at ericsson.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


The gst_srtp_dec_chain() function in gstsrtpdec.c returns GST_FLOW_ERROR is the
SRTP library fails to decode the received packet.

http://cgit.freedesktop.org/gstreamer/gst-plugins-bad/tree/ext/srtp/gstsrtpdec.c#n916

This will make the code very intolerant towards stray packets, DoS attacks and
errors in the packets. Would it not be better if the packet was dropped in the
same way as the RTP stack drops packets that are not RTP packets?

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