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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: samba security and bug fix update
Advisory ID:       RHSA-2014:1008-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2014-1008.html
Issue date:        2014-08-05
CVE Names:         CVE-2014-3560 
=====================================================================

1. Summary:

Updated samba packages that fix one security issue and one bug are now
available for Red Hat Enterprise Linux 7.

The Red Hat Security Response Team has rated this update as having
Important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

Samba is an open-source implementation of the Server Message Block (SMB) or
Common Internet File System (CIFS) protocol, which allows PC-compatible
machines to share files, printers, and other information.

A heap-based buffer overflow flaw was found in Samba's NetBIOS message
block daemon (nmbd). An attacker on the local network could use this flaw
to send specially crafted packets that, when processed by nmbd, could
possibly lead to arbitrary code execution with root privileges.
(CVE-2014-3560)

This update also fixes the following bug:

* Prior to this update, Samba incorrectly used the O_TRUNC flag when using
the open(2) system call to access the contents of a file that was already
opened by a different process, causing the file's previous contents to be
removed. With this update, the O_TRUNC flag is no longer used in the above
scenario, and file corruption no longer occurs. (BZ#1115490)

All Samba users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues. After installing this
update, the smb service will be restarted automatically.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1115490 - Samba file corruption as a result of failed lock check
1126010 - CVE-2014-3560 samba: remote code execution in nmbd

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
samba-4.1.1-37.el7_0.src.rpm

x86_64:
libsmbclient-4.1.1-37.el7_0.i686.rpm
libsmbclient-4.1.1-37.el7_0.x86_64.rpm
libwbclient-4.1.1-37.el7_0.i686.rpm
libwbclient-4.1.1-37.el7_0.x86_64.rpm
samba-client-4.1.1-37.el7_0.x86_64.rpm
samba-common-4.1.1-37.el7_0.x86_64.rpm
samba-debuginfo-4.1.1-37.el7_0.i686.rpm
samba-debuginfo-4.1.1-37.el7_0.x86_64.rpm
samba-libs-4.1.1-37.el7_0.i686.rpm
samba-libs-4.1.1-37.el7_0.x86_64.rpm
samba-winbind-4.1.1-37.el7_0.x86_64.rpm
samba-winbind-modules-4.1.1-37.el7_0.i686.rpm
samba-winbind-modules-4.1.1-37.el7_0.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
libsmbclient-devel-4.1.1-37.el7_0.i686.rpm
libsmbclient-devel-4.1.1-37.el7_0.x86_64.rpm
libwbclient-devel-4.1.1-37.el7_0.i686.rpm
libwbclient-devel-4.1.1-37.el7_0.x86_64.rpm
samba-4.1.1-37.el7_0.x86_64.rpm
samba-dc-4.1.1-37.el7_0.x86_64.rpm
samba-dc-libs-4.1.1-37.el7_0.x86_64.rpm
samba-debuginfo-4.1.1-37.el7_0.i686.rpm
samba-debuginfo-4.1.1-37.el7_0.x86_64.rpm
samba-devel-4.1.1-37.el7_0.i686.rpm
samba-devel-4.1.1-37.el7_0.x86_64.rpm
samba-pidl-4.1.1-37.el7_0.x86_64.rpm
samba-python-4.1.1-37.el7_0.x86_64.rpm
samba-test-4.1.1-37.el7_0.x86_64.rpm
samba-test-devel-4.1.1-37.el7_0.x86_64.rpm
samba-vfs-glusterfs-4.1.1-37.el7_0.x86_64.rpm
samba-winbind-clients-4.1.1-37.el7_0.x86_64.rpm
samba-winbind-krb5-locator-4.1.1-37.el7_0.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
samba-4.1.1-37.el7_0.src.rpm

x86_64:
libsmbclient-4.1.1-37.el7_0.i686.rpm
libsmbclient-4.1.1-37.el7_0.x86_64.rpm
libwbclient-4.1.1-37.el7_0.i686.rpm
libwbclient-4.1.1-37.el7_0.x86_64.rpm
samba-client-4.1.1-37.el7_0.x86_64.rpm
samba-common-4.1.1-37.el7_0.x86_64.rpm
samba-debuginfo-4.1.1-37.el7_0.i686.rpm
samba-debuginfo-4.1.1-37.el7_0.x86_64.rpm
samba-libs-4.1.1-37.el7_0.i686.rpm
samba-libs-4.1.1-37.el7_0.x86_64.rpm
samba-winbind-4.1.1-37.el7_0.x86_64.rpm
samba-winbind-modules-4.1.1-37.el7_0.i686.rpm
samba-winbind-modules-4.1.1-37.el7_0.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
libsmbclient-devel-4.1.1-37.el7_0.i686.rpm
libsmbclient-devel-4.1.1-37.el7_0.x86_64.rpm
libwbclient-devel-4.1.1-37.el7_0.i686.rpm
libwbclient-devel-4.1.1-37.el7_0.x86_64.rpm
samba-4.1.1-37.el7_0.x86_64.rpm
samba-dc-4.1.1-37.el7_0.x86_64.rpm
samba-dc-libs-4.1.1-37.el7_0.x86_64.rpm
samba-debuginfo-4.1.1-37.el7_0.i686.rpm
samba-debuginfo-4.1.1-37.el7_0.x86_64.rpm
samba-devel-4.1.1-37.el7_0.i686.rpm
samba-devel-4.1.1-37.el7_0.x86_64.rpm
samba-pidl-4.1.1-37.el7_0.x86_64.rpm
samba-python-4.1.1-37.el7_0.x86_64.rpm
samba-test-4.1.1-37.el7_0.x86_64.rpm
samba-test-devel-4.1.1-37.el7_0.x86_64.rpm
samba-vfs-glusterfs-4.1.1-37.el7_0.x86_64.rpm
samba-winbind-clients-4.1.1-37.el7_0.x86_64.rpm
samba-winbind-krb5-locator-4.1.1-37.el7_0.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
samba-4.1.1-37.el7_0.src.rpm

ppc64:
libsmbclient-4.1.1-37.el7_0.ppc.rpm
libsmbclient-4.1.1-37.el7_0.ppc64.rpm
libwbclient-4.1.1-37.el7_0.ppc.rpm
libwbclient-4.1.1-37.el7_0.ppc64.rpm
samba-4.1.1-37.el7_0.ppc64.rpm
samba-client-4.1.1-37.el7_0.ppc64.rpm
samba-common-4.1.1-37.el7_0.ppc64.rpm
samba-debuginfo-4.1.1-37.el7_0.ppc.rpm
samba-debuginfo-4.1.1-37.el7_0.ppc64.rpm
samba-libs-4.1.1-37.el7_0.ppc.rpm
samba-libs-4.1.1-37.el7_0.ppc64.rpm
samba-winbind-4.1.1-37.el7_0.ppc64.rpm
samba-winbind-modules-4.1.1-37.el7_0.ppc.rpm
samba-winbind-modules-4.1.1-37.el7_0.ppc64.rpm

s390x:
libsmbclient-4.1.1-37.el7_0.s390.rpm
libsmbclient-4.1.1-37.el7_0.s390x.rpm
libwbclient-4.1.1-37.el7_0.s390.rpm
libwbclient-4.1.1-37.el7_0.s390x.rpm
samba-4.1.1-37.el7_0.s390x.rpm
samba-client-4.1.1-37.el7_0.s390x.rpm
samba-common-4.1.1-37.el7_0.s390x.rpm
samba-debuginfo-4.1.1-37.el7_0.s390.rpm
samba-debuginfo-4.1.1-37.el7_0.s390x.rpm
samba-libs-4.1.1-37.el7_0.s390.rpm
samba-libs-4.1.1-37.el7_0.s390x.rpm
samba-winbind-4.1.1-37.el7_0.s390x.rpm
samba-winbind-modules-4.1.1-37.el7_0.s390.rpm
samba-winbind-modules-4.1.1-37.el7_0.s390x.rpm

x86_64:
libsmbclient-4.1.1-37.el7_0.i686.rpm
libsmbclient-4.1.1-37.el7_0.x86_64.rpm
libwbclient-4.1.1-37.el7_0.i686.rpm
libwbclient-4.1.1-37.el7_0.x86_64.rpm
samba-4.1.1-37.el7_0.x86_64.rpm
samba-client-4.1.1-37.el7_0.x86_64.rpm
samba-common-4.1.1-37.el7_0.x86_64.rpm
samba-debuginfo-4.1.1-37.el7_0.i686.rpm
samba-debuginfo-4.1.1-37.el7_0.x86_64.rpm
samba-libs-4.1.1-37.el7_0.i686.rpm
samba-libs-4.1.1-37.el7_0.x86_64.rpm
samba-python-4.1.1-37.el7_0.x86_64.rpm
samba-winbind-4.1.1-37.el7_0.x86_64.rpm
samba-winbind-modules-4.1.1-37.el7_0.i686.rpm
samba-winbind-modules-4.1.1-37.el7_0.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
libsmbclient-devel-4.1.1-37.el7_0.ppc.rpm
libsmbclient-devel-4.1.1-37.el7_0.ppc64.rpm
libwbclient-devel-4.1.1-37.el7_0.ppc.rpm
libwbclient-devel-4.1.1-37.el7_0.ppc64.rpm
samba-dc-4.1.1-37.el7_0.ppc64.rpm
samba-dc-libs-4.1.1-37.el7_0.ppc64.rpm
samba-debuginfo-4.1.1-37.el7_0.ppc.rpm
samba-debuginfo-4.1.1-37.el7_0.ppc64.rpm
samba-devel-4.1.1-37.el7_0.ppc.rpm
samba-devel-4.1.1-37.el7_0.ppc64.rpm
samba-pidl-4.1.1-37.el7_0.ppc64.rpm
samba-python-4.1.1-37.el7_0.ppc64.rpm
samba-test-4.1.1-37.el7_0.ppc64.rpm
samba-test-devel-4.1.1-37.el7_0.ppc64.rpm
samba-winbind-clients-4.1.1-37.el7_0.ppc64.rpm
samba-winbind-krb5-locator-4.1.1-37.el7_0.ppc64.rpm

s390x:
libsmbclient-devel-4.1.1-37.el7_0.s390.rpm
libsmbclient-devel-4.1.1-37.el7_0.s390x.rpm
libwbclient-devel-4.1.1-37.el7_0.s390.rpm
libwbclient-devel-4.1.1-37.el7_0.s390x.rpm
samba-dc-4.1.1-37.el7_0.s390x.rpm
samba-dc-libs-4.1.1-37.el7_0.s390x.rpm
samba-debuginfo-4.1.1-37.el7_0.s390.rpm
samba-debuginfo-4.1.1-37.el7_0.s390x.rpm
samba-devel-4.1.1-37.el7_0.s390.rpm
samba-devel-4.1.1-37.el7_0.s390x.rpm
samba-pidl-4.1.1-37.el7_0.s390x.rpm
samba-python-4.1.1-37.el7_0.s390x.rpm
samba-test-4.1.1-37.el7_0.s390x.rpm
samba-test-devel-4.1.1-37.el7_0.s390x.rpm
samba-winbind-clients-4.1.1-37.el7_0.s390x.rpm
samba-winbind-krb5-locator-4.1.1-37.el7_0.s390x.rpm

x86_64:
libsmbclient-devel-4.1.1-37.el7_0.i686.rpm
libsmbclient-devel-4.1.1-37.el7_0.x86_64.rpm
libwbclient-devel-4.1.1-37.el7_0.i686.rpm
libwbclient-devel-4.1.1-37.el7_0.x86_64.rpm
samba-dc-4.1.1-37.el7_0.x86_64.rpm
samba-dc-libs-4.1.1-37.el7_0.x86_64.rpm
samba-debuginfo-4.1.1-37.el7_0.i686.rpm
samba-debuginfo-4.1.1-37.el7_0.x86_64.rpm
samba-devel-4.1.1-37.el7_0.i686.rpm
samba-devel-4.1.1-37.el7_0.x86_64.rpm
samba-pidl-4.1.1-37.el7_0.x86_64.rpm
samba-test-4.1.1-37.el7_0.x86_64.rpm
samba-test-devel-4.1.1-37.el7_0.x86_64.rpm
samba-vfs-glusterfs-4.1.1-37.el7_0.x86_64.rpm
samba-winbind-clients-4.1.1-37.el7_0.x86_64.rpm
samba-winbind-krb5-locator-4.1.1-37.el7_0.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
samba-4.1.1-37.el7_0.src.rpm

x86_64:
libsmbclient-4.1.1-37.el7_0.i686.rpm
libsmbclient-4.1.1-37.el7_0.x86_64.rpm
libwbclient-4.1.1-37.el7_0.i686.rpm
libwbclient-4.1.1-37.el7_0.x86_64.rpm
samba-4.1.1-37.el7_0.x86_64.rpm
samba-client-4.1.1-37.el7_0.x86_64.rpm
samba-common-4.1.1-37.el7_0.x86_64.rpm
samba-debuginfo-4.1.1-37.el7_0.i686.rpm
samba-debuginfo-4.1.1-37.el7_0.x86_64.rpm
samba-libs-4.1.1-37.el7_0.i686.rpm
samba-libs-4.1.1-37.el7_0.x86_64.rpm
samba-python-4.1.1-37.el7_0.x86_64.rpm
samba-winbind-4.1.1-37.el7_0.x86_64.rpm
samba-winbind-modules-4.1.1-37.el7_0.i686.rpm
samba-winbind-modules-4.1.1-37.el7_0.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
libsmbclient-devel-4.1.1-37.el7_0.i686.rpm
libsmbclient-devel-4.1.1-37.el7_0.x86_64.rpm
libwbclient-devel-4.1.1-37.el7_0.i686.rpm
libwbclient-devel-4.1.1-37.el7_0.x86_64.rpm
samba-dc-4.1.1-37.el7_0.x86_64.rpm
samba-dc-libs-4.1.1-37.el7_0.x86_64.rpm
samba-debuginfo-4.1.1-37.el7_0.i686.rpm
samba-debuginfo-4.1.1-37.el7_0.x86_64.rpm
samba-devel-4.1.1-37.el7_0.i686.rpm
samba-devel-4.1.1-37.el7_0.x86_64.rpm
samba-pidl-4.1.1-37.el7_0.x86_64.rpm
samba-test-4.1.1-37.el7_0.x86_64.rpm
samba-test-devel-4.1.1-37.el7_0.x86_64.rpm
samba-vfs-glusterfs-4.1.1-37.el7_0.x86_64.rpm
samba-winbind-clients-4.1.1-37.el7_0.x86_64.rpm
samba-winbind-krb5-locator-4.1.1-37.el7_0.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2014-3560.html
https://access.redhat.com/security/updates/classification/#important
https://www.samba.org/samba/security/CVE-2014-3560

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2014 Red Hat, Inc.
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