First published: Thu Dec 16 2010(Updated: )
A stack overflow flaw was found in the way the D-BUS message bus service / messaging facility validated messages with excessive number of nested variants. A local, authenticated user could use this flaw to cause dbus daemon to crash (denial of service) via a specially-crafted message sent to the system bus. References: [1] <a href="http://www.remlab.net/op/dbus-variant-recursion.shtml">http://www.remlab.net/op/dbus-variant-recursion.shtml</a> Upstream bug report: [2] <a href="https://bugs.freedesktop.org/show_bug.cgi?id=32321">https://bugs.freedesktop.org/show_bug.cgi?id=32321</a> CVE Request: [3] <a href="http://www.openwall.com/lists/oss-security/2010/12/16/3">http://www.openwall.com/lists/oss-security/2010/12/16/3</a> Credit: Rémi Denis-Courmont
Credit: secalert@redhat.com
Affected Software | Affected Version | How to fix |
---|---|---|
D-bus Project D-bus | <=1.4.0 |
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