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Date: Tue, 19 Jul 2011 14:41:12 +0200
From: Jan Lieskovsky <>
To: "Steven M. Christey" <>
CC:, Gerald Combs <>
Subject: CVE Request -- Wireshark: Infinite loop in the ANSI A Interface (IS-634/IOS)

Hello Josh, Steve, vendors,

   an infinite loop was found in the way ANSI A Interface (IS-634/IOS)
dissector of the Wireshark network traffic analyzer processed certain
ANSI A MAP capture files. If Wireshark read a malformed packet off a
network or opened a malicious packet capture file, it could lead to 
denial of service (Wireshark hang).

Upstream bug:

Public PoC:

Relevant upstream patch:


Could you allocate a CVE id for this?

Thank you && Regards, Jan.
Jan iankko Lieskovsky / Red Hat Security Response Team

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