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Red Hat Security Advisory 2019-1967-01

Red Hat Security Advisory 2019-1967-01
Posted Jul 30, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-1967-01 - Samba is an open-source implementation of the Server Message Block protocol and the related Common Internet File System protocol, which allow PC-compatible machines to share files, printers, and various information.

tags | advisory, protocol
systems | linux, redhat
advisories | CVE-2019-3880
SHA-256 | 3d78e32c21a4111cd4781ba6d8707713d8a521acd8885deb5f3b190bd46d8101

Red Hat Security Advisory 2019-1967-01

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

Synopsis: Moderate: samba security, bug fix and enhancement update
Advisory ID: RHSA-2019:1967-01
Product: Red Hat Gluster Storage
Advisory URL: https://access.redhat.com/errata/RHSA-2019:1967
Issue date: 2019-07-30
CVE Names: CVE-2019-3880
=====================================================================

1. Summary:

Updated samba packages that fix one security issue and provide several bug
fixes and enhancements are now available for Red Hat Gluster Storage 3.4
for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Gluster 3.4 Samba on RHEL-6 - noarch, x86_64

3. Description:

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

Security Fix(es):

* samba: save registry file outside share as unprivileged user
(CVE-2019-3880)

For more details about the security issue(s), including the impact, a CVSS
the score and other related information refer to the CVE page(s) listed in
the References section.

Bug Fix(es):

* The samba and CTDB packages have been upgraded to upstream version 4.9.8,
which provide a number of bug fixes and enhancements over the previous
release, including numerous changes to the CTDB configuration. See the
Solution section for a link to the Knowledge Base article to aid in
migration. (BZ#1708284)

Users of Samba with Red Hat Gluster Storage are advised to upgrade to these
updated packages.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing this update, the smb service will be restarted
automatically.

For details on migrating Samba/CTDB configuration files, refer to:

https://access.redhat.com/solutions/4311261

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

1691518 - CVE-2019-3880 samba: save registry file outside share as unprivileged user
1708284 - [RHEL6] [Rebase] RHGS samba to be re-based to higher upstream version 4.9.8
1708289 - [RHEL6] [Rebase] Samba rebase requires update to some dependent libraries

6. Package List:

Red Hat Gluster 3.4 Samba on RHEL-6:

Source:
libtalloc-2.1.14-3.el6rhs.src.rpm
libtdb-1.3.16-3.el6rhs.src.rpm
libtevent-0.9.37-3.el6rhs.src.rpm
samba-4.9.8-105.el6rhs.src.rpm

noarch:
samba-common-4.9.8-105.el6rhs.noarch.rpm
samba-pidl-4.9.8-105.el6rhs.noarch.rpm

x86_64:
ctdb-4.9.8-105.el6rhs.x86_64.rpm
libsmbclient-4.9.8-105.el6rhs.x86_64.rpm
libsmbclient-devel-4.9.8-105.el6rhs.x86_64.rpm
libtalloc-2.1.14-3.el6rhs.x86_64.rpm
libtalloc-debuginfo-2.1.14-3.el6rhs.x86_64.rpm
libtalloc-devel-2.1.14-3.el6rhs.x86_64.rpm
libtdb-1.3.16-3.el6rhs.x86_64.rpm
libtdb-debuginfo-1.3.16-3.el6rhs.x86_64.rpm
libtdb-devel-1.3.16-3.el6rhs.x86_64.rpm
libtevent-0.9.37-3.el6rhs.x86_64.rpm
libtevent-debuginfo-0.9.37-3.el6rhs.x86_64.rpm
libtevent-devel-0.9.37-3.el6rhs.x86_64.rpm
libwbclient-4.9.8-105.el6rhs.x86_64.rpm
libwbclient-devel-4.9.8-105.el6rhs.x86_64.rpm
pytalloc-2.1.14-3.el6rhs.x86_64.rpm
pytalloc-devel-2.1.14-3.el6rhs.x86_64.rpm
python-tdb-1.3.16-3.el6rhs.x86_64.rpm
python-tevent-0.9.37-3.el6rhs.x86_64.rpm
samba-4.9.8-105.el6rhs.x86_64.rpm
samba-client-4.9.8-105.el6rhs.x86_64.rpm
samba-client-libs-4.9.8-105.el6rhs.x86_64.rpm
samba-common-libs-4.9.8-105.el6rhs.x86_64.rpm
samba-common-tools-4.9.8-105.el6rhs.x86_64.rpm
samba-dc-4.9.8-105.el6rhs.x86_64.rpm
samba-dc-libs-4.9.8-105.el6rhs.x86_64.rpm
samba-debuginfo-4.9.8-105.el6rhs.x86_64.rpm
samba-devel-4.9.8-105.el6rhs.x86_64.rpm
samba-krb5-printing-4.9.8-105.el6rhs.x86_64.rpm
samba-libs-4.9.8-105.el6rhs.x86_64.rpm
samba-python-4.9.8-105.el6rhs.x86_64.rpm
samba-vfs-glusterfs-4.9.8-105.el6rhs.x86_64.rpm
samba-winbind-4.9.8-105.el6rhs.x86_64.rpm
samba-winbind-clients-4.9.8-105.el6rhs.x86_64.rpm
samba-winbind-krb5-locator-4.9.8-105.el6rhs.x86_64.rpm
samba-winbind-modules-4.9.8-105.el6rhs.x86_64.rpm
tdb-tools-1.3.16-3.el6rhs.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/

7. References:

https://access.redhat.com/security/cve/CVE-2019-3880
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2019 Red Hat, Inc.
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