Bug 719694 - dbus: Local DoS via messages with non-native byte order
Summary: dbus: Local DoS via messages with non-native byte order
Keywords:
Status: CLOSED DUPLICATE of bug 712676
Alias: None
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-07-07 17:08 UTC by Jan Lieskovsky
Modified: 2019-09-29 12:45 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2011-07-07 17:13:10 UTC
Embargoed:


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Description Jan Lieskovsky 2011-07-07 17:08:38 UTC
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:
[1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629938
[2] https://bugs.freedesktop.org/show_bug.cgi?id=38120

Upstream patches:
[3] http://cgit.freedesktop.org/dbus/dbus/commit/?h=dbus-1.2&id=6519a1f77c61d753d4c97efd6e15630eb275336e
    (in upstream v1.2.28 version)
[4] http://cgit.freedesktop.org/dbus/dbus/commit/?h=dbus-1.4&id=c3223ba6c401ba81df1305851312a47c485e6cd7
    (in upstream v1.4.12 version)

Comment 1 Jan Lieskovsky 2011-07-07 17:13:10 UTC

*** This bug has been marked as a duplicate of bug 712676 ***


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