bugtraq - [SAMBA] CVE-2008-1105 - Boundary failure when parsing SMB responses

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Message-ID: <483D74E4.3040600@samba.org>
Date: Wed, 28 May 2008 10:06:12 -0500
From: "Gerald (Jerry) Carter" <jerry@...ba.org>
To: bugtraq@...urityfocus.com
Subject: [SAMBA] CVE-2008-1105 - Boundary failure when parsing SMB responses

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==========================================================
==
== Subject:     Boundary failure when parsing SMB responses
==              can result in a buffer overrun
==
== CVE ID#:     CVE-2008-1105
==
== Versions:    Samba 3.0.0 - 3.0.29 (inclusive)
==
== Summary:     Specifically crafted SMB responses can result
==              in a heap overflow in the Samba client code.
==              Because the server process, smbd, can itself
==              act as a client during operations such as
==              printer notification and domain authentication,
==              this issue affects both Samba client and server
==              installations.
==
==========================================================

===========
Description
===========

Secunia Research reported a vulnerability that allows for
the execution of arbitrary code in smbd.  This defect is
is a result of an incorrect buffer size when parsing SMB
replies in the routine receive_smb_raw().

==================
Patch Availability
==================

A patch addressing this defect has been posted to

  http://www.samba.org/samba/security/

Additionally, Samba 3.0.30 has been issued as a security
release to correct the defect.  Samba administrators are
advised to upgrade to 3.0.30 or apply the patch as soon
as possible.

=======
Credits
=======

This vulnerability was reported to Samba developers by
Alin Rad Pop, Secunia Research.

The time line is as follows:

* May 15, 2008: Initial report to security@...ba.org.
* May 15, 2008: First response from Samba developers confirming
  the bug along with a proposed patch.
* May 28, 2008: Public security advisory made available.

==========================================================
== Our Code, Our Bugs, Our Responsibility.
== The Samba Team
==========================================================
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