oss-security - CVE Request -- Wireshark: Infinite loop in the ANSI A Interface (IS-634/IOS) dissector

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Date: Tue, 19 Jul 2011 14:41:12 +0200
From: Jan Lieskovsky <jlieskov@...hat.com>
To: "Steven M. Christey" <coley@...us.mitre.org>
CC: oss-security@...ts.openwall.com, Gerald Combs <gerald@...eshark.org>
Subject: CVE Request -- Wireshark: Infinite loop in the ANSI A Interface (IS-634/IOS)
 dissector

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:
[1] https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6044

Public PoC:
[2]
http://www.wireshark.org/download/automated/captures/fuzz-2011-06-20-22762.pcap

Relevant upstream patch:
[3] http://anonsvn.wireshark.org/viewvc?view=revision&revision=37930

References:
[4] http://www.wireshark.org/security/
[5] http://www.wireshark.org/security/wnpa-sec-2011-11.html
[6] http://www.wireshark.org/security/wnpa-sec-2011-10.html
[7] https://bugzilla.redhat.com/show_bug.cgi?id=723215

Could you allocate a CVE id for this?

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

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