oss-security - CVE Request -- quagga (ospf6d): Assertion failure when removing routes (retrieving information which route to remove)

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Date: Tue, 13 Nov 2012 09:48:59 -0500 (EST)
From: Jan Lieskovsky <jlieskov@...hat.com>
To: oss-security@...ts.openwall.com
Cc: "Steven M. Christey" <coley@...us.mitre.org>,
        Denis Ovsienko <infrastation@...dex.ru>,
        Christian Hammers <ch@...ian.org>,
        "Dmitry V. Levin" <ldv@...linux.org>, Paul Jakma <paul@...ma.org>,
        Florian Weimer <fweimer@...hat.com>, "Marco d'Itri" <md@...ux.it>
Subject: CVE Request -- quagga (ospf6d): Assertion failure when removing
 routes (retrieving information which route to remove)

Hello Kurt, Steve, vendors,

  Marco d'Itri in Debian bug [1] has reported the following deficiency,
being present in 0.99.21 and possibly earlier versions of the Quagga 
routing suite:

A denial of service flaw was found in the way Quagga's ospf6d daemon
performed routes removal. In certain circumstances when removing the
route the ospf6d daemon terminated with assertion failure when trying
to determine / find, which route to remove. An OSPF6 router could use
this flaw to cause ospf6d on an adjacent router to abort.

References:
[1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=693102
[2] https://bugzilla.redhat.com/show_bug.cgi?id=876197

Upstream bug report:
[3] https://bugzilla.quagga.net/show_bug.cgi?id=747

Could you allocate a CVE id for this?

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

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