Samba: Remote printing non-vulnerability
Gentoo Linux Security Advisory
||GLSA 200409-14 / samba
||September 09, 2004
||May 22, 2006: 03
Samba has a bug with out of sequence print change notification requests,
but it cannot be used to perform a remote denial of service attack.
Samba is a freely available SMB/CIFS implementation which allows
seamless interoperability of file and print services to other SMB/CIFS
Due to a bug in the printer_notify_info() function, authorized users
could potentially crash their smbd process by sending improperly
handled print change notification requests in an invalid order. Windows
XP SP2 clients can trigger this behavior by sending a
FindNextPrintChangeNotify() request before previously sending a
We incorrectly thought that this bug could be exploited to deny service
to all Samba users. It is not the case, this bug has no security impact
whatsoever. Many thanks to Jerry Carter from the Samba team for
correcting our mistake.
There is no need for a workaround.
Samba users can keep their current versions.