[UNIX] Samba FindNextPrintChangeNotify Error Allows Remote Authenticated Users To Crash smbd
From: SecuriTeam (support_at_securiteam.com)
To: firstname.lastname@example.org Date: 6 Sep 2004 14:05:55 +0200
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Samba FindNextPrintChangeNotify Error Allows Remote Authenticated Users To
<http://www.samba.org/samba> Samba is an Open Source/Free Software suite
that provides seamless file and print services to SMB/CIFS clients.
A Samba client can crash a remote Samba daemon (smbd) under certain
conditions by the use of FindNextPrintChangeNotify.
* Samba versions prior to 3.0.6 and 2.2.11
* Samba version 3.0.6 and 2.2.11
The vendor reported that a remote authenticated user can send a
FindNextPrintChangeNotify() request without having previously sent a
corresponding FindFirstPrintChangeNotify() requeste to cause smbd to
crash. The behaviour can be triggered easily by a Windows XP SP2 client
which apparently does this in certain situations.
The flaw is located in the printer_notify_info() in
The vulnerability was reported to the vendor by Craig Huegen. The vendor
has already issued a new upgrade version which is available from
The information has been provided by <mailto:email@example.com>
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