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>> D-Bus "match_rule_equal()" Match Rules Handling Local Denial of Service Vulnerability

Title : D-Bus "match_rule_equal()" Match Rules Handling Local Denial of Service Vulnerability
VUPEN ID : VUPEN/ADV-2006-4988
CVE ID : CVE-2006-6107
Rated as : Low Risk 
Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2006-12-13


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in D-Bus, which could be exploited by local attackers to cause a denial of service. This flaw is due to an error in the "match_rule_equal()" [signals.c] function, which could be exploited by malicious users to disable the the ability of a specific process to receive certain messages, creating a denial of service.

Affected Products

D-Bus versions prior to 1.0.2

Solution

Upgrade to D-Bus version 1.0.2 :
http://dbus.freedesktop.org/releases/dbus/dbus-1.0.2.tar.gz

References

http://www.vupen.com/english/advisories/2006/4988
https://bugs.freedesktop.org/show_bug.cgi?id=9142

Credits

Vulnerability reported by Kimmo Hamalainen

ChangeLog

2006-12-13 : Initial release

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