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List: wireshark-bugs
Subject: [Wireshark-bugs] [Bug 13866] New: NBAP over SCTP heuristic dissector required
From: bugzilla-daemon () wireshark ! org
Date: 2017-06-30 14:35:18
Message-ID: bug-13866-15 () https ! bugs ! wireshark ! org/bugzilla/
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Date: Fri, 30 Jun 2017 14:35:18 +0000
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X-Bugzilla-URL: https://bugs.wireshark.org/bugzilla/
Auto-Submitted: auto-generated
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13866
Bug ID: 13866
Summary: NBAP over SCTP heuristic dissector required
Product: Wireshark
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: Enhancement
Priority: Low
Component: Dissection engine (libwireshark)
Assignee: bugzilla-admin@wireshark.org
Reporter: sswsdev@gmail.com
Target Milestone: ---
Created attachment 15666
--> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=15666&action=edit
DifferentPPIDs
Build Information:
--
Currently the NBAP dissector is only called for PPID 25 in SCTP or when the
user chooses 'decode as' for other PPIDs.
Some vendors choose to send NBAP over other PPIDs, like 17,4 or even 0
Wireshark can heuristically dissect other ASN.1 based protocols like RANAP so
there's probably a way to recognize NBAP as well.
Attached is an example of a capture with NBAP going over PPID 25 from RNC and
over PPID 4 from the Node B (in the same link)
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--14988333180.FA4d.31485
Date: Fri, 30 Jun 2017 14:35:18 +0000
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X-Bugzilla-URL: https://bugs.wireshark.org/bugzilla/
Auto-Submitted: auto-generated
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<body><table>
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<th class="th_left">Bug ID</th>
<td><a class="bz_bug_link
bz_status_UNCONFIRMED "
title="UNCONFIRMED - NBAP over SCTP heuristic dissector required"
href="https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13866">13866</a>
</td>
</tr>
<tr>
<th class="th_left">Summary</th>
<td>NBAP over SCTP heuristic dissector required
</td>
</tr>
<tr>
<th class="th_left">Product</th>
<td>Wireshark
</td>
</tr>
<tr>
<th class="th_left">Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th class="th_left">Hardware</th>
<td>All
</td>
</tr>
<tr>
<th class="th_left">OS</th>
<td>All
</td>
</tr>
<tr>
<th class="th_left">Status</th>
<td>UNCONFIRMED
</td>
</tr>
<tr>
<th class="th_left">Severity</th>
<td>Enhancement
</td>
</tr>
<tr>
<th class="th_left">Priority</th>
<td>Low
</td>
</tr>
<tr>
<th class="th_left">Component</th>
<td>Dissection engine (libwireshark)
</td>
</tr>
<tr>
<th class="th_left">Assignee</th>
<td>bugzilla-admin@wireshark.org
</td>
</tr>
<tr>
<th class="th_left">Reporter</th>
<td>sswsdev@gmail.com
</td>
</tr>
<tr>
<th class="th_left">Target Milestone</th>
<td>---
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=15666" \
name="attach_15666" title="DifferentPPIDs">attachment 15666</a> <a \
href="attachment.cgi?id=15666&action=edit" \
title="DifferentPPIDs">[details]</a></span> DifferentPPIDs
Build Information:
--
Currently the NBAP dissector is only called for PPID 25 in SCTP or when the
user chooses 'decode as' for other PPIDs.
Some vendors choose to send NBAP over other PPIDs, like 17,4 or even 0
Wireshark can heuristically dissect other ASN.1 based protocols like RANAP so
there's probably a way to recognize NBAP as well.
Attached is an example of a capture with NBAP going over PPID 25 from RNC and
over PPID 4 from the Node B (in the same link)</pre>
</div>
</p>
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