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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