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TITLE:
D-Bus Default Configuration Security Bypass

SECUNIA ADVISORY ID:
SA33047

VERIFY ADVISORY:
http://secunia.com/advisories/33047/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
Local system

SOFTWARE:
D-Bus 1.x
http://secunia.com/advisories/product/12896/

DESCRIPTION:
A security issue has been reported in D-Bus, which can be exploited
by malicious, local users to bypass certain security restrictions.

The security issue is caused due to the default configuration
incorrectly setting the "send_requested_reply" and
"receive_requested_reply" rules. This can be exploited to send and
receive messages, which were intended to be blocked.

SOLUTION:
The send side permissions are fixed in version 1.2.6.

Add explicit deny rules as a workaround for the request side.

PROVIDED AND/OR DISCOVERED BY:
Joachim Breitner

ORIGINAL ADVISORY:
http://lists.freedesktop.org/archives/dbus/2008-December/010702.html

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