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AUSCERT External Security Bulletin Redistribution
ESB-2019.4030
samba security and bug fix update
31 October 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: samba
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux WS/Desktop 7
Impact/Access: Access Confidential Data -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-10197
Reference: ESB-2019.3355
ESB-2019.3352
ESB-2019.3344
Original Bulletin:
https://access.redhat.com/errata/RHSA-2019:3253
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Red Hat Security Advisory
Synopsis: Moderate: samba security and bug fix update
Advisory ID: RHSA-2019:3253-01
Product: Red Hat Gluster Storage
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3253
Issue date: 2019-10-30
CVE Names: CVE-2019-10197
=====================================================================
1. Summary:
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@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
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