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D-Bus "match_rule_equal()" Weakness
Secunia Advisory: SA23373
Release Date: 2006-12-14
Last Update: 2006-12-19
Popularity: 7,309 views

Critical:
Not critical
Impact: DoS
Where: Local system
Solution Status: Vendor Patch

Software:D-BUS 0.x
D-Bus 1.x

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CVE reference:CVE-2006-6107


Description:
Kimmo Hämäläinen has reported a weakness in D-Bus, which can be exploited by malicious, local users to cause a DoS (Denial of Service).

An error within the "match_rule_equal()" function can be exploited to disable the ability of other processes to receive messages by removing their matches from D-Bus.

The weakness is reported in versions prior to 1.0.2.

Solution:
Update to version 1.0.2.
http://www.freedesktop.org/wiki/Software/dbus

Provided and/or discovered by:
Kimmo Hämäläinen

Changelog:
2006-12-19: Updated "Where" section.

Original Advisory:
http://www.freedesktop.org/wiki/Software/dbus

Other References:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=218055


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