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Message-ID: <fvIo7EKaKXRprJopK5rfAGepQQY@OEL+AGsq2qOfta3tVB3M+FMK4kc>
Date: Fri, 31 Aug 2012 14:48:27 +0400
From: Eygene Ryabinkin <rea-sec@...elabs.ru>
To: oss-security@...ts.openwall.com
Cc: Gerald Combs <gerald@...eshark.org>, Jan Safranek <jsafrane@...hat.com>,
Martin Wilck <martin.wilck@...fujitsu.com>
Subject: Re: CVE Request -- wireshark (X >= 1.6.8): DoS
(excessive CPU use and infinite loop) in DRDA dissector
Wed, Aug 29, 2012 at 11:39:11AM -0400, Jan Lieskovsky wrote:
> a denial of service flaw was found in the way Distributed Relational
> Database Architecture (DRDA) dissector of Wireshark, a network
> traffic analyzer, performed processing of certain DRDA packet
> capture files. A remote attacker could create a specially-crafted
> capture file that, when opened could lead to wireshark executable to
> consume excessive amount of CPU time and hang with an infinite loop.
[...]
> Affected versions: Seems to affect wireshark 1.6.x versions and
> later (1.0.x and 1.2.x definitely aren't affected)
1.5.x is affected too: 1.5.0 was the first release in which the
handling for the multiple DRDA commands was added to. 1.4 has no
such code, whereas 1.5.0 has the while loop that provokes DoS.
--
Eygene
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