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Gentoo Linux Security Advisory                           GLSA 200705-15
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                                            http://security.gentoo.org/
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  Severity: High
     Title: Samba: Multiple vulnerabilities
      Date: May 15, 2007
      Bugs: #177029
        ID: 200705-15

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Synopsis
========

Samba contains multiple vulnerabilities potentially resulting in the
execution of arbitrary code with root privileges.

Background
==========

Samba is a suite of SMB and CIFS client/server programs for UNIX.

Affected packages
=================

    -------------------------------------------------------------------
     Package       /   Vulnerable   /                       Unaffected
    -------------------------------------------------------------------
  1  net-fs/samba      < 3.0.24-r2                        >= 3.0.24-r2

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

Samba contains a logical error in the smbd daemon when translating
local SID to user names (CVE-2007-2444). Furthermore, Samba contains
several bugs when parsing NDR encoded RPC parameters (CVE-2007-2446).
Lastly, Samba fails to properly sanitize remote procedure input
provided via Microsoft Remote Procedure Calls (CVE-2007-2447).

Impact
======

A remote attacker could exploit these vulnerabilities to gain root
privileges via various vectors.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Samba users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-fs/samba-3.0.24-r2"

References
==========

  [ 1 ] CVE-2007-2444
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2444
  [ 2 ] CVE-2007-2446
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2446
  [ 3 ] CVE-2007-2447
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2447

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  http://security.gentoo.org/glsa/glsa-200705-15.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2007 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5

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