Avahi Lets Remote Users Manipulate the Service By Spoofing Netlink Messages
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SecurityTracker Alert ID: 1017257
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SecurityTracker URL: http://securitytracker.com/id?1017257
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CVE Reference: CVE-2006-5461
(Links to External Site)
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Date: Nov 21 2006
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Impact: Modification of system information
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): prior to 0.6.15
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Description: A vulnerability was reported in Avahi. A remote user can spoof netlink messages.
The software does not verify the origin of netlink messages. A remote user can cause the Avahi service to conclude that some network configuration changes have occured when they have not.
Steve Grubb reported this vulnerability.
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Impact: A remote user can spoof netlink messages to manipulate the Avahi service.
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Solution: The vendor has issued a fixed version (0.6.15).
The vendor's advisory is available at:
http://avahi.org/milestone/Avahi%200.6.15
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Vendor URL: www.avahi.org/ (Links to External Site)
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Cause: Authentication error
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Underlying OS: Linux (Any), UNIX (Any)
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Reported By: "Avahi" <trac-noreply@tango.0pointer.de>
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Message History:
None.
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Source Message Contents
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Date: Mon Nov 6 14:53:58 CET 2006
From: "Avahi" <trac-noreply@tango.0pointer.de>
Subject: [avahi-tickets] [Avahi] #69: Avahi needs to check the originating process of netlink messages
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#69: Avahi needs to check the originating process of netlink messages
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Reporter: lathiat | Owner: lennart
Type: defect | Status: new
Priority: critical | Milestone:
Component: avahi-core | Version:
Keywords: |
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Avahi does not currently verify the originating process of netlink
messages.
This could potentially be used to trick Avahi into thinking some network
changes occured that did not.
--
Ticket URL: <http://www.avahi.org/ticket/69>
Avahi <http://avahi.org/>
Avahi mDNS/DNS-SD Engine
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