Date: Mon, 10 Dec 2007 07:50:40 -0600
From: "Gerald (Jerry) Carter" <jerry@samba.org.>
To: [email protected]Subject: [SECURITY] Buffer overrun in send_mailslot()
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==
== Subject: Boundary failure in GETDC mailslot
== processing can result in a buffer overrun
==
== CVE ID#: CVE-2007-6015
==
== Versions: Samba 3.0.0 - 3.0.27a (inclusive)
==
== Summary: Specifically crafted GETDC mailslot requests
== can trigger a boundary error in the domain
== controller GETDC mail slot support which
== can be remotely exploited to execute arbitrary
== code.
==
===========
Description
===========
Secunia Research reported a vulnerability that allows for
the execution of arbitrary code in nmbd. This defect is
only be exploited when the "domain logons" parameter has
been enabled in smb.conf.
Patch Availability
A patch addressing this defect has been posted to
http://www.samba.org/samba/security/
Additionally, Samba 3.0.28 has been issued as a security
release to correct the defect.
==========
Workaround
==========
Samba administrators may avoid this security issue by disabling
both the "domain logons" options in the server's smb.conf file.
Note that this will disable all domain controller features as
well.
=======
Credits
=======
This vulnerability was reported to Samba developers by
Alin Rad Pop, Secunia Research.
The time line is as follows:
* Nov 22, 2007: Initial report to [email protected].
* Nov 22, 2007: First response from Samba developers confirming
the bug along with a proposed patch.
* Dec 10, 2007: Public security advisory made available.
== Our Code, Our Bugs, Our Responsibility.
== The Samba Team
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