[RHSA-2019:3253-01] Moderate: samba security and bug fix update

Wed Oct 30 12:19:38 UTC 2019

An update for samba is now available for Red Hat Gluster Storage 3.5 on Red
Hat Enterprise Linux 7.

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 3.5 Samba on RHEL-7 - 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
allows PC-compatible machines to share files, printers, and various
information.

The following packages have been upgraded to a later upstream version:
samba (4.9.8). (BZ#1724261)

Security Fix(es):

* samba: Combination of parameters and permissions can allow the user to
escape from the share path definition (CVE-2019-10197)

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

Bug Fix(es):

* Increased performance for Samba vfs_glusterfs when using pthreadpool
(BZ#1743595)

* The samba packages have been upgraded to upstream version 4.9.8 which
provides a number of bug fixes and enhancements over the previous version.
(BZ#1724261)

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.

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

1667895 - [Samba-MacOS] vfs_gluster_fgetxattr error messages while performing file operations in MacOS
1715503 - [samba-selinux] CTDB status unhealthy after upgrade to samba-4.9.8-102
1724243 - [Samba] Accommodate recent get_real_filename implementation changes in GlusterFS
1724261 - [RHEL7] [Rebase] Samba rebuild required with new glusterfs
1743595 - Increased performance for Samba vfs_glusterfs when using pthreadpool
1746225 - CVE-2019-10197 samba: Combination of parameters and permissions can allow user to escape from the share path definition

6. Package List:

Red Hat Gluster 3.5 Samba on RHEL-7:

Source:
samba-4.9.8-109.el7rhgs.src.rpm

noarch:
samba-common-4.9.8-109.el7rhgs.noarch.rpm
samba-pidl-4.9.8-109.el7rhgs.noarch.rpm

x86_64:
ctdb-4.9.8-109.el7rhgs.x86_64.rpm
libsmbclient-4.9.8-109.el7rhgs.x86_64.rpm
libsmbclient-devel-4.9.8-109.el7rhgs.x86_64.rpm
libwbclient-4.9.8-109.el7rhgs.x86_64.rpm
libwbclient-devel-4.9.8-109.el7rhgs.x86_64.rpm
samba-4.9.8-109.el7rhgs.x86_64.rpm
samba-client-4.9.8-109.el7rhgs.x86_64.rpm
samba-client-libs-4.9.8-109.el7rhgs.x86_64.rpm
samba-common-libs-4.9.8-109.el7rhgs.x86_64.rpm
samba-common-tools-4.9.8-109.el7rhgs.x86_64.rpm
samba-dc-4.9.8-109.el7rhgs.x86_64.rpm
samba-dc-libs-4.9.8-109.el7rhgs.x86_64.rpm
samba-debuginfo-4.9.8-109.el7rhgs.x86_64.rpm
samba-devel-4.9.8-109.el7rhgs.x86_64.rpm
samba-krb5-printing-4.9.8-109.el7rhgs.x86_64.rpm
samba-libs-4.9.8-109.el7rhgs.x86_64.rpm
samba-python-4.9.8-109.el7rhgs.x86_64.rpm
samba-vfs-glusterfs-4.9.8-109.el7rhgs.x86_64.rpm
samba-winbind-4.9.8-109.el7rhgs.x86_64.rpm
samba-winbind-clients-4.9.8-109.el7rhgs.x86_64.rpm
samba-winbind-krb5-locator-4.9.8-109.el7rhgs.x86_64.rpm
samba-winbind-modules-4.9.8-109.el7rhgs.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-2019-10197
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/security/cve/CVE-2019-10197

8. Contact:

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

Copyright 2019 Red Hat, Inc.
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