A vulnerability in the Apple Mac OS X AFP server may allow an attacker to cause a denial-of-service condition on an affected system.
The AFP (Apple Filing Protocol) service allows Apple Mac OS clients to access files remotely from a server. Apple's Mac OS X AFP server contains an unchecked error condition. When file sharing is enabled, a remote attacker can exploit this vulnerability by sending a specially crafted invalid AFP request. This crafted AFP request may cause the service to crash, resulting in a denial-of-service condition. Apple states that any Mac OS X system with AFP server enabled is vulnerable; however, AFP server is not enabled by default on Apple Mac OS X.
When file sharing is enabled, a maliciously crafted AFP request may cause the AFP server to crash, resulting in a denial-of-service condition.
Apply an update
Apple has addressed this issue in Security Update 2006-004.
Disable file sharing if it is not required. File sharing can be disabled in the "Sharing" settings of system preferences.
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Notified: August 02, 2006 Updated: August 04, 2006
We have not received a statement from the vendor.
The vendor has not provided us with any further information regarding this vulnerability.
Please see Apple Security Update 2006-004 for details on updates.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
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Thanks to Apple Product Security for reporting this vulnerability.
This document was written by Katie Washok.
CVE IDs: | CVE-2006-3496
Severity Metric: | 0.81
Date Public: | 2006-08-01
Date First Published: | 2006-08-04
Date Last Updated: | 2006-09-18 18:01 UTC
Document Revision: | 23