Date: Mon, 13 Jun 2011 15:25:46 -0400 (EDT) From: Josh Bressers <bressers@...hat.com> To: oss-security@...ts.openwall.com Cc: Simon McVittie <smcv@...ian.org>, 629938@...s.debian.org, "Steven M. Christey" <coley@...us.mitre.org> Subject: Re: CVE Request -- dbus -- Local DoS via messages with non-native byte order ----- Original Message ----- > Hello, Josh, Steve, vendors, > > It was found that D-BUS message bus service / messaging facility did > not update the byte-order flag of the message properly by swapping the > byte order of incoming messages into their native endiannes. A local, > authenticated user could use this flaw to send a specially-crafted > message to a system service (like Avahi or NetworkManager), using the > system bus, potentially leading to disconnect of such a service from > system bus (denial of service). > > References: >  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629938 >  https://bugs.freedesktop.org/show_bug.cgi?id=38120 >  https://bugzilla.redhat.com/show_bug.cgi?id=712676 > > Upstream patches: >  > http://cgit.freedesktop.org/dbus/dbus/commit/?h=dbus-1.2&id=6519a1f77c61d753d4c97efd6e15630eb275336e > (in upstream v1.2.28 version) > >  > http://cgit.freedesktop.org/dbus/dbus/commit/?h=dbus-1.4&id=c3223ba6c401ba81df1305851312a47c485e6cd7 > (in upstream v1.4.12 version) > Please use CVE-2011-2200. Thanks. -- JB
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