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Category:   Application (Generic)  >   D-BUS Vendors:   Freedesktop.org
D-Bus dbus_signature_validate() Bug Lets Local Users Deny Service
SecurityTracker Alert ID:  1021063
SecurityTracker URL:  http://securitytracker.com/id/1021063
CVE Reference:   CVE-2008-3834   (Links to External Site)
Date:  Oct 16 2008
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 1.2.4
Description:   A vulnerability was reported in D-Bus. A local user can cause denial of service conditions.

A local user can supply a specially crafted message signature type to the dbus_signature_validate() function to the cause the target application to crash.

schelte at wanadoo.nl reported this vulnerability.

Impact:   A local user can cause the target application to crash.
Solution:   The vendor has issued a fix (1.2.4), available at:

http://dbus.freedesktop.org/releases/dbus/dbus-1.2.4.tar.gz

Vendor URL:  www.freedesktop.org/wiki/Software/dbus (Links to External Site)
Cause:   Exception handling error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jan 7 2009 (Red Hat Issues Revised Fix) D-Bus dbus_signature_validate() Bug Lets Local Users Deny Service
Red Hat has released a revised fix for Red Hat Enterprise Linux 5.



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