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:  https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6044 Public PoC:  http://www.wireshark.org/download/automated/captures/fuzz-2011-06-20-22762.pcap Relevant upstream patch:  http://anonsvn.wireshark.org/viewvc?view=revision&revision=37930 References:  http://www.wireshark.org/security/  http://www.wireshark.org/security/wnpa-sec-2011-11.html  http://www.wireshark.org/security/wnpa-sec-2011-10.html  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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