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

Synopsis:          Moderate: samba security, bug fix, and enhancement update
Advisory ID:       RHSA-2020:1084-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:1084
Issue date:        2020-03-31
CVE Names:         CVE-2019-10197 CVE-2019-10218 
====================================================================
1. Summary:

An update for samba is now available for 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 Enterprise Linux Client (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Resilient Storage (v. 7) - ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 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
allow PC-compatible machines to share files, printers, and various
information.

The following packages have been upgraded to a later upstream version:
samba (4.10.4). (BZ#1724991)

Security Fix(es):

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

* samba: smb client vulnerable to filenames containing path separators(CVE-2019-10218)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.8 Release Notes linked from the References section.

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/):

1497809 - [RFE] smbstatus -L does not resolve UIDs to names
1595277 - man for net doesn't have net ads lookup
1657428 - Window's client cannot connect samba-4.8.3-4 using hostname. IP connection works fine
1663064 - AD Permissions required to join Linux computer to domain using realmd with samba in an hardened AD environment.
1714947 - idmap_tdb2 stops working after some time
1724991 - Rebase Samba to the same version as in RHEL 8.1
1740986 - Samba 4.9.1-6: Failed to create BUILTIN\Guests group NT_STATUS_ACCESS_DENIED!
1746225 - CVE-2019-10197 samba: Combination of parameters and permissions can allow user to escape from the share path definition
1753254 - Trusted domain enumeration stopped working after Microsoft patch update
1763137 - CVE-2019-10218 samba: smb client vulnerable to filenames containing path separators
6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
samba-4.10.4-10.el7.src.rpm

noarch:
samba-common-4.10.4-10.el7.noarch.rpm

x86_64:
libsmbclient-4.10.4-10.el7.i686.rpm
libsmbclient-4.10.4-10.el7.x86_64.rpm
libwbclient-4.10.4-10.el7.i686.rpm
libwbclient-4.10.4-10.el7.x86_64.rpm
samba-client-4.10.4-10.el7.x86_64.rpm
samba-client-libs-4.10.4-10.el7.i686.rpm
samba-client-libs-4.10.4-10.el7.x86_64.rpm
samba-common-libs-4.10.4-10.el7.x86_64.rpm
samba-common-tools-4.10.4-10.el7.x86_64.rpm
samba-debuginfo-4.10.4-10.el7.i686.rpm
samba-debuginfo-4.10.4-10.el7.x86_64.rpm
samba-krb5-printing-4.10.4-10.el7.x86_64.rpm
samba-libs-4.10.4-10.el7.i686.rpm
samba-libs-4.10.4-10.el7.x86_64.rpm
samba-winbind-4.10.4-10.el7.x86_64.rpm
samba-winbind-clients-4.10.4-10.el7.x86_64.rpm
samba-winbind-modules-4.10.4-10.el7.i686.rpm
samba-winbind-modules-4.10.4-10.el7.x86_64.rpm

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

noarch:
samba-pidl-4.10.4-10.el7.noarch.rpm

x86_64:
libsmbclient-devel-4.10.4-10.el7.i686.rpm
libsmbclient-devel-4.10.4-10.el7.x86_64.rpm
libwbclient-devel-4.10.4-10.el7.i686.rpm
libwbclient-devel-4.10.4-10.el7.x86_64.rpm
samba-4.10.4-10.el7.x86_64.rpm
samba-dc-4.10.4-10.el7.x86_64.rpm
samba-dc-libs-4.10.4-10.el7.x86_64.rpm
samba-debuginfo-4.10.4-10.el7.i686.rpm
samba-debuginfo-4.10.4-10.el7.x86_64.rpm
samba-devel-4.10.4-10.el7.i686.rpm
samba-devel-4.10.4-10.el7.x86_64.rpm
samba-python-4.10.4-10.el7.i686.rpm
samba-python-4.10.4-10.el7.x86_64.rpm
samba-python-test-4.10.4-10.el7.x86_64.rpm
samba-test-4.10.4-10.el7.x86_64.rpm
samba-test-libs-4.10.4-10.el7.i686.rpm
samba-test-libs-4.10.4-10.el7.x86_64.rpm
samba-vfs-glusterfs-4.10.4-10.el7.x86_64.rpm
samba-winbind-krb5-locator-4.10.4-10.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
samba-4.10.4-10.el7.src.rpm

noarch:
samba-common-4.10.4-10.el7.noarch.rpm

x86_64:
libsmbclient-4.10.4-10.el7.i686.rpm
libsmbclient-4.10.4-10.el7.x86_64.rpm
libwbclient-4.10.4-10.el7.i686.rpm
libwbclient-4.10.4-10.el7.x86_64.rpm
samba-client-4.10.4-10.el7.x86_64.rpm
samba-client-libs-4.10.4-10.el7.i686.rpm
samba-client-libs-4.10.4-10.el7.x86_64.rpm
samba-common-libs-4.10.4-10.el7.x86_64.rpm
samba-common-tools-4.10.4-10.el7.x86_64.rpm
samba-debuginfo-4.10.4-10.el7.i686.rpm
samba-debuginfo-4.10.4-10.el7.x86_64.rpm
samba-libs-4.10.4-10.el7.i686.rpm
samba-libs-4.10.4-10.el7.x86_64.rpm
samba-winbind-4.10.4-10.el7.x86_64.rpm
samba-winbind-clients-4.10.4-10.el7.x86_64.rpm
samba-winbind-modules-4.10.4-10.el7.i686.rpm
samba-winbind-modules-4.10.4-10.el7.x86_64.rpm

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

noarch:
samba-pidl-4.10.4-10.el7.noarch.rpm

x86_64:
libsmbclient-devel-4.10.4-10.el7.i686.rpm
libsmbclient-devel-4.10.4-10.el7.x86_64.rpm
libwbclient-devel-4.10.4-10.el7.i686.rpm
libwbclient-devel-4.10.4-10.el7.x86_64.rpm
samba-4.10.4-10.el7.x86_64.rpm
samba-dc-4.10.4-10.el7.x86_64.rpm
samba-dc-libs-4.10.4-10.el7.x86_64.rpm
samba-debuginfo-4.10.4-10.el7.i686.rpm
samba-debuginfo-4.10.4-10.el7.x86_64.rpm
samba-devel-4.10.4-10.el7.i686.rpm
samba-devel-4.10.4-10.el7.x86_64.rpm
samba-krb5-printing-4.10.4-10.el7.x86_64.rpm
samba-python-4.10.4-10.el7.i686.rpm
samba-python-4.10.4-10.el7.x86_64.rpm
samba-python-test-4.10.4-10.el7.x86_64.rpm
samba-test-4.10.4-10.el7.x86_64.rpm
samba-test-libs-4.10.4-10.el7.i686.rpm
samba-test-libs-4.10.4-10.el7.x86_64.rpm
samba-vfs-glusterfs-4.10.4-10.el7.x86_64.rpm
samba-winbind-krb5-locator-4.10.4-10.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
samba-4.10.4-10.el7.src.rpm

noarch:
samba-common-4.10.4-10.el7.noarch.rpm

ppc64:
libsmbclient-4.10.4-10.el7.ppc.rpm
libsmbclient-4.10.4-10.el7.ppc64.rpm
libwbclient-4.10.4-10.el7.ppc.rpm
libwbclient-4.10.4-10.el7.ppc64.rpm
samba-4.10.4-10.el7.ppc64.rpm
samba-client-4.10.4-10.el7.ppc64.rpm
samba-client-libs-4.10.4-10.el7.ppc.rpm
samba-client-libs-4.10.4-10.el7.ppc64.rpm
samba-common-libs-4.10.4-10.el7.ppc64.rpm
samba-common-tools-4.10.4-10.el7.ppc64.rpm
samba-debuginfo-4.10.4-10.el7.ppc.rpm
samba-debuginfo-4.10.4-10.el7.ppc64.rpm
samba-krb5-printing-4.10.4-10.el7.ppc64.rpm
samba-libs-4.10.4-10.el7.ppc.rpm
samba-libs-4.10.4-10.el7.ppc64.rpm
samba-winbind-4.10.4-10.el7.ppc64.rpm
samba-winbind-clients-4.10.4-10.el7.ppc64.rpm
samba-winbind-modules-4.10.4-10.el7.ppc.rpm
samba-winbind-modules-4.10.4-10.el7.ppc64.rpm

ppc64le:
libsmbclient-4.10.4-10.el7.ppc64le.rpm
libwbclient-4.10.4-10.el7.ppc64le.rpm
samba-4.10.4-10.el7.ppc64le.rpm
samba-client-4.10.4-10.el7.ppc64le.rpm
samba-client-libs-4.10.4-10.el7.ppc64le.rpm
samba-common-libs-4.10.4-10.el7.ppc64le.rpm
samba-common-tools-4.10.4-10.el7.ppc64le.rpm
samba-debuginfo-4.10.4-10.el7.ppc64le.rpm
samba-krb5-printing-4.10.4-10.el7.ppc64le.rpm
samba-libs-4.10.4-10.el7.ppc64le.rpm
samba-winbind-4.10.4-10.el7.ppc64le.rpm
samba-winbind-clients-4.10.4-10.el7.ppc64le.rpm
samba-winbind-modules-4.10.4-10.el7.ppc64le.rpm

s390x:
libsmbclient-4.10.4-10.el7.s390.rpm
libsmbclient-4.10.4-10.el7.s390x.rpm
libwbclient-4.10.4-10.el7.s390.rpm
libwbclient-4.10.4-10.el7.s390x.rpm
samba-4.10.4-10.el7.s390x.rpm
samba-client-4.10.4-10.el7.s390x.rpm
samba-client-libs-4.10.4-10.el7.s390.rpm
samba-client-libs-4.10.4-10.el7.s390x.rpm
samba-common-libs-4.10.4-10.el7.s390x.rpm
samba-common-tools-4.10.4-10.el7.s390x.rpm
samba-debuginfo-4.10.4-10.el7.s390.rpm
samba-debuginfo-4.10.4-10.el7.s390x.rpm
samba-krb5-printing-4.10.4-10.el7.s390x.rpm
samba-libs-4.10.4-10.el7.s390.rpm
samba-libs-4.10.4-10.el7.s390x.rpm
samba-winbind-4.10.4-10.el7.s390x.rpm
samba-winbind-clients-4.10.4-10.el7.s390x.rpm
samba-winbind-modules-4.10.4-10.el7.s390.rpm
samba-winbind-modules-4.10.4-10.el7.s390x.rpm

x86_64:
libsmbclient-4.10.4-10.el7.i686.rpm
libsmbclient-4.10.4-10.el7.x86_64.rpm
libwbclient-4.10.4-10.el7.i686.rpm
libwbclient-4.10.4-10.el7.x86_64.rpm
samba-4.10.4-10.el7.x86_64.rpm
samba-client-4.10.4-10.el7.x86_64.rpm
samba-client-libs-4.10.4-10.el7.i686.rpm
samba-client-libs-4.10.4-10.el7.x86_64.rpm
samba-common-libs-4.10.4-10.el7.x86_64.rpm
samba-common-tools-4.10.4-10.el7.x86_64.rpm
samba-debuginfo-4.10.4-10.el7.i686.rpm
samba-debuginfo-4.10.4-10.el7.x86_64.rpm
samba-krb5-printing-4.10.4-10.el7.x86_64.rpm
samba-libs-4.10.4-10.el7.i686.rpm
samba-libs-4.10.4-10.el7.x86_64.rpm
samba-python-4.10.4-10.el7.i686.rpm
samba-python-4.10.4-10.el7.x86_64.rpm
samba-winbind-4.10.4-10.el7.x86_64.rpm
samba-winbind-clients-4.10.4-10.el7.x86_64.rpm
samba-winbind-modules-4.10.4-10.el7.i686.rpm
samba-winbind-modules-4.10.4-10.el7.x86_64.rpm

Red Hat Enterprise Linux Server Resilient Storage (v. 7):

ppc64le:
ctdb-4.10.4-10.el7.ppc64le.rpm
ctdb-tests-4.10.4-10.el7.ppc64le.rpm
samba-debuginfo-4.10.4-10.el7.ppc64le.rpm

s390x:
ctdb-4.10.4-10.el7.s390x.rpm
ctdb-tests-4.10.4-10.el7.s390x.rpm
samba-debuginfo-4.10.4-10.el7.s390x.rpm

x86_64:
ctdb-4.10.4-10.el7.x86_64.rpm
ctdb-tests-4.10.4-10.el7.x86_64.rpm
samba-debuginfo-4.10.4-10.el7.x86_64.rpm

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

noarch:
samba-pidl-4.10.4-10.el7.noarch.rpm

ppc64:
libsmbclient-devel-4.10.4-10.el7.ppc.rpm
libsmbclient-devel-4.10.4-10.el7.ppc64.rpm
libwbclient-devel-4.10.4-10.el7.ppc.rpm
libwbclient-devel-4.10.4-10.el7.ppc64.rpm
samba-dc-4.10.4-10.el7.ppc64.rpm
samba-dc-libs-4.10.4-10.el7.ppc64.rpm
samba-debuginfo-4.10.4-10.el7.ppc.rpm
samba-debuginfo-4.10.4-10.el7.ppc64.rpm
samba-devel-4.10.4-10.el7.ppc.rpm
samba-devel-4.10.4-10.el7.ppc64.rpm
samba-python-4.10.4-10.el7.ppc.rpm
samba-python-4.10.4-10.el7.ppc64.rpm
samba-python-test-4.10.4-10.el7.ppc64.rpm
samba-test-4.10.4-10.el7.ppc64.rpm
samba-test-libs-4.10.4-10.el7.ppc.rpm
samba-test-libs-4.10.4-10.el7.ppc64.rpm
samba-winbind-krb5-locator-4.10.4-10.el7.ppc64.rpm

ppc64le:
libsmbclient-devel-4.10.4-10.el7.ppc64le.rpm
libwbclient-devel-4.10.4-10.el7.ppc64le.rpm
samba-dc-4.10.4-10.el7.ppc64le.rpm
samba-dc-libs-4.10.4-10.el7.ppc64le.rpm
samba-debuginfo-4.10.4-10.el7.ppc64le.rpm
samba-devel-4.10.4-10.el7.ppc64le.rpm
samba-python-4.10.4-10.el7.ppc64le.rpm
samba-python-test-4.10.4-10.el7.ppc64le.rpm
samba-test-4.10.4-10.el7.ppc64le.rpm
samba-test-libs-4.10.4-10.el7.ppc64le.rpm
samba-winbind-krb5-locator-4.10.4-10.el7.ppc64le.rpm

s390x:
libsmbclient-devel-4.10.4-10.el7.s390.rpm
libsmbclient-devel-4.10.4-10.el7.s390x.rpm
libwbclient-devel-4.10.4-10.el7.s390.rpm
libwbclient-devel-4.10.4-10.el7.s390x.rpm
samba-dc-4.10.4-10.el7.s390x.rpm
samba-dc-libs-4.10.4-10.el7.s390x.rpm
samba-debuginfo-4.10.4-10.el7.s390.rpm
samba-debuginfo-4.10.4-10.el7.s390x.rpm
samba-devel-4.10.4-10.el7.s390.rpm
samba-devel-4.10.4-10.el7.s390x.rpm
samba-python-4.10.4-10.el7.s390.rpm
samba-python-4.10.4-10.el7.s390x.rpm
samba-python-test-4.10.4-10.el7.s390x.rpm
samba-test-4.10.4-10.el7.s390x.rpm
samba-test-libs-4.10.4-10.el7.s390.rpm
samba-test-libs-4.10.4-10.el7.s390x.rpm
samba-winbind-krb5-locator-4.10.4-10.el7.s390x.rpm

x86_64:
libsmbclient-devel-4.10.4-10.el7.i686.rpm
libsmbclient-devel-4.10.4-10.el7.x86_64.rpm
libwbclient-devel-4.10.4-10.el7.i686.rpm
libwbclient-devel-4.10.4-10.el7.x86_64.rpm
samba-dc-4.10.4-10.el7.x86_64.rpm
samba-dc-libs-4.10.4-10.el7.x86_64.rpm
samba-debuginfo-4.10.4-10.el7.i686.rpm
samba-debuginfo-4.10.4-10.el7.x86_64.rpm
samba-devel-4.10.4-10.el7.i686.rpm
samba-devel-4.10.4-10.el7.x86_64.rpm
samba-python-test-4.10.4-10.el7.x86_64.rpm
samba-test-4.10.4-10.el7.x86_64.rpm
samba-test-libs-4.10.4-10.el7.i686.rpm
samba-test-libs-4.10.4-10.el7.x86_64.rpm
samba-vfs-glusterfs-4.10.4-10.el7.x86_64.rpm
samba-winbind-krb5-locator-4.10.4-10.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
samba-4.10.4-10.el7.src.rpm

noarch:
samba-common-4.10.4-10.el7.noarch.rpm

x86_64:
libsmbclient-4.10.4-10.el7.i686.rpm
libsmbclient-4.10.4-10.el7.x86_64.rpm
libwbclient-4.10.4-10.el7.i686.rpm
libwbclient-4.10.4-10.el7.x86_64.rpm
samba-4.10.4-10.el7.x86_64.rpm
samba-client-4.10.4-10.el7.x86_64.rpm
samba-client-libs-4.10.4-10.el7.i686.rpm
samba-client-libs-4.10.4-10.el7.x86_64.rpm
samba-common-libs-4.10.4-10.el7.x86_64.rpm
samba-common-tools-4.10.4-10.el7.x86_64.rpm
samba-debuginfo-4.10.4-10.el7.i686.rpm
samba-debuginfo-4.10.4-10.el7.x86_64.rpm
samba-krb5-printing-4.10.4-10.el7.x86_64.rpm
samba-libs-4.10.4-10.el7.i686.rpm
samba-libs-4.10.4-10.el7.x86_64.rpm
samba-python-4.10.4-10.el7.i686.rpm
samba-python-4.10.4-10.el7.x86_64.rpm
samba-winbind-4.10.4-10.el7.x86_64.rpm
samba-winbind-clients-4.10.4-10.el7.x86_64.rpm
samba-winbind-modules-4.10.4-10.el7.i686.rpm
samba-winbind-modules-4.10.4-10.el7.x86_64.rpm

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

noarch:
samba-pidl-4.10.4-10.el7.noarch.rpm

x86_64:
libsmbclient-devel-4.10.4-10.el7.i686.rpm
libsmbclient-devel-4.10.4-10.el7.x86_64.rpm
libwbclient-devel-4.10.4-10.el7.i686.rpm
libwbclient-devel-4.10.4-10.el7.x86_64.rpm
samba-dc-4.10.4-10.el7.x86_64.rpm
samba-dc-libs-4.10.4-10.el7.x86_64.rpm
samba-debuginfo-4.10.4-10.el7.i686.rpm
samba-debuginfo-4.10.4-10.el7.x86_64.rpm
samba-devel-4.10.4-10.el7.i686.rpm
samba-devel-4.10.4-10.el7.x86_64.rpm
samba-python-test-4.10.4-10.el7.x86_64.rpm
samba-test-4.10.4-10.el7.x86_64.rpm
samba-test-libs-4.10.4-10.el7.i686.rpm
samba-test-libs-4.10.4-10.el7.x86_64.rpm
samba-vfs-glusterfs-4.10.4-10.el7.x86_64.rpm
samba-winbind-krb5-locator-4.10.4-10.el7.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/cve/CVE-2019-10218
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.8_release_notes/index

8. Contact:

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

Copyright 2020 Red Hat, Inc.
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