Date: Sun, 12 Jun 2011 15:01:40 +0200 From: Jan Lieskovsky <jlieskov@...hat.com> To: "Steven M. Christey" <coley@...us.mitre.org> CC: oss-security@...ts.openwall.com, Simon McVittie <smcv@...ian.org>, 629938@...s.debian.org Subject: CVE Request -- dbus -- Local DoS via messages with non-native byte order 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) Could you allocate a CVE id for this? Thank you && Regards, Jan. -- Jan iankko Lieskovsky / Red Hat Security Response Team
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