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

Synopsis:          Moderate: samba security, bug fix, and enhancement update
Advisory ID:       RHSA-2020:3981-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:3981
Issue date:        2020-09-29
CVE Names:         CVE-2019-14907
====================================================================
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 (4.10.16). (BZ#1785121)

Security Fix(es):

* samba: Crash after failed character conversion at log level 3 or above
(CVE-2019-14907)

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 7.9 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/):

1737888 - Libwbclient alternatives manual setting lost
1776333 - CLI tools printing "Unable to initialize messaging context" running as non root
1785121 - Rebase Samba to the the latest 4.10.x maintenance release
1791207 - CVE-2019-14907 samba: Crash after failed character conversion at log level 3 or above
1791823 - wbinfo -K doesn't work for users of trusted domains/forests
1801496 - Missing directories in ctdb package
1813017 - Can't get 'log events generated from smbclient'
1828354 - After adding "additional dns hostname" to smb.conf it does not generate /etc/krb5.keytab with the proper SPN.
1828924 - Fix 'require_membership_of' documentation in pam_winbind manpages
1831986 - unprivileged user should be able to read-only to gencache.tdb instead of permission denied
1836427 - net ads join use of netbios+realm breaks GSSAPI authentication

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
samba-4.10.16-5.el7.src.rpm

noarch:
samba-common-4.10.16-5.el7.noarch.rpm

x86_64:
libsmbclient-4.10.16-5.el7.i686.rpm
libsmbclient-4.10.16-5.el7.x86_64.rpm
libwbclient-4.10.16-5.el7.i686.rpm
libwbclient-4.10.16-5.el7.x86_64.rpm
samba-client-4.10.16-5.el7.x86_64.rpm
samba-client-libs-4.10.16-5.el7.i686.rpm
samba-client-libs-4.10.16-5.el7.x86_64.rpm
samba-common-libs-4.10.16-5.el7.i686.rpm
samba-common-libs-4.10.16-5.el7.x86_64.rpm
samba-common-tools-4.10.16-5.el7.x86_64.rpm
samba-debuginfo-4.10.16-5.el7.i686.rpm
samba-debuginfo-4.10.16-5.el7.x86_64.rpm
samba-krb5-printing-4.10.16-5.el7.x86_64.rpm
samba-libs-4.10.16-5.el7.i686.rpm
samba-libs-4.10.16-5.el7.x86_64.rpm
samba-winbind-4.10.16-5.el7.x86_64.rpm
samba-winbind-clients-4.10.16-5.el7.x86_64.rpm
samba-winbind-modules-4.10.16-5.el7.i686.rpm
samba-winbind-modules-4.10.16-5.el7.x86_64.rpm

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

noarch:
samba-pidl-4.10.16-5.el7.noarch.rpm

x86_64:
libsmbclient-devel-4.10.16-5.el7.i686.rpm
libsmbclient-devel-4.10.16-5.el7.x86_64.rpm
libwbclient-devel-4.10.16-5.el7.i686.rpm
libwbclient-devel-4.10.16-5.el7.x86_64.rpm
samba-4.10.16-5.el7.x86_64.rpm
samba-dc-4.10.16-5.el7.x86_64.rpm
samba-dc-libs-4.10.16-5.el7.x86_64.rpm
samba-debuginfo-4.10.16-5.el7.i686.rpm
samba-debuginfo-4.10.16-5.el7.x86_64.rpm
samba-devel-4.10.16-5.el7.i686.rpm
samba-devel-4.10.16-5.el7.x86_64.rpm
samba-python-4.10.16-5.el7.i686.rpm
samba-python-4.10.16-5.el7.x86_64.rpm
samba-python-test-4.10.16-5.el7.x86_64.rpm
samba-test-4.10.16-5.el7.x86_64.rpm
samba-test-libs-4.10.16-5.el7.i686.rpm
samba-test-libs-4.10.16-5.el7.x86_64.rpm
samba-vfs-glusterfs-4.10.16-5.el7.x86_64.rpm
samba-winbind-krb5-locator-4.10.16-5.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
samba-4.10.16-5.el7.src.rpm

noarch:
samba-common-4.10.16-5.el7.noarch.rpm

x86_64:
libsmbclient-4.10.16-5.el7.i686.rpm
libsmbclient-4.10.16-5.el7.x86_64.rpm
libwbclient-4.10.16-5.el7.i686.rpm
libwbclient-4.10.16-5.el7.x86_64.rpm
samba-client-4.10.16-5.el7.x86_64.rpm
samba-client-libs-4.10.16-5.el7.i686.rpm
samba-client-libs-4.10.16-5.el7.x86_64.rpm
samba-common-libs-4.10.16-5.el7.i686.rpm
samba-common-libs-4.10.16-5.el7.x86_64.rpm
samba-common-tools-4.10.16-5.el7.x86_64.rpm
samba-debuginfo-4.10.16-5.el7.i686.rpm
samba-debuginfo-4.10.16-5.el7.x86_64.rpm
samba-libs-4.10.16-5.el7.i686.rpm
samba-libs-4.10.16-5.el7.x86_64.rpm
samba-winbind-4.10.16-5.el7.x86_64.rpm
samba-winbind-clients-4.10.16-5.el7.x86_64.rpm
samba-winbind-modules-4.10.16-5.el7.i686.rpm
samba-winbind-modules-4.10.16-5.el7.x86_64.rpm

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

noarch:
samba-pidl-4.10.16-5.el7.noarch.rpm

x86_64:
libsmbclient-devel-4.10.16-5.el7.i686.rpm
libsmbclient-devel-4.10.16-5.el7.x86_64.rpm
libwbclient-devel-4.10.16-5.el7.i686.rpm
libwbclient-devel-4.10.16-5.el7.x86_64.rpm
samba-4.10.16-5.el7.x86_64.rpm
samba-dc-4.10.16-5.el7.x86_64.rpm
samba-dc-libs-4.10.16-5.el7.x86_64.rpm
samba-debuginfo-4.10.16-5.el7.i686.rpm
samba-debuginfo-4.10.16-5.el7.x86_64.rpm
samba-devel-4.10.16-5.el7.i686.rpm
samba-devel-4.10.16-5.el7.x86_64.rpm
samba-krb5-printing-4.10.16-5.el7.x86_64.rpm
samba-python-4.10.16-5.el7.i686.rpm
samba-python-4.10.16-5.el7.x86_64.rpm
samba-python-test-4.10.16-5.el7.x86_64.rpm
samba-test-4.10.16-5.el7.x86_64.rpm
samba-test-libs-4.10.16-5.el7.i686.rpm
samba-test-libs-4.10.16-5.el7.x86_64.rpm
samba-vfs-glusterfs-4.10.16-5.el7.x86_64.rpm
samba-winbind-krb5-locator-4.10.16-5.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
samba-4.10.16-5.el7.src.rpm

noarch:
samba-common-4.10.16-5.el7.noarch.rpm

ppc64:
libsmbclient-4.10.16-5.el7.ppc.rpm
libsmbclient-4.10.16-5.el7.ppc64.rpm
libwbclient-4.10.16-5.el7.ppc.rpm
libwbclient-4.10.16-5.el7.ppc64.rpm
samba-4.10.16-5.el7.ppc64.rpm
samba-client-4.10.16-5.el7.ppc64.rpm
samba-client-libs-4.10.16-5.el7.ppc.rpm
samba-client-libs-4.10.16-5.el7.ppc64.rpm
samba-common-libs-4.10.16-5.el7.ppc.rpm
samba-common-libs-4.10.16-5.el7.ppc64.rpm
samba-common-tools-4.10.16-5.el7.ppc64.rpm
samba-debuginfo-4.10.16-5.el7.ppc.rpm
samba-debuginfo-4.10.16-5.el7.ppc64.rpm
samba-krb5-printing-4.10.16-5.el7.ppc64.rpm
samba-libs-4.10.16-5.el7.ppc.rpm
samba-libs-4.10.16-5.el7.ppc64.rpm
samba-winbind-4.10.16-5.el7.ppc64.rpm
samba-winbind-clients-4.10.16-5.el7.ppc64.rpm
samba-winbind-modules-4.10.16-5.el7.ppc.rpm
samba-winbind-modules-4.10.16-5.el7.ppc64.rpm

ppc64le:
libsmbclient-4.10.16-5.el7.ppc64le.rpm
libwbclient-4.10.16-5.el7.ppc64le.rpm
samba-4.10.16-5.el7.ppc64le.rpm
samba-client-4.10.16-5.el7.ppc64le.rpm
samba-client-libs-4.10.16-5.el7.ppc64le.rpm
samba-common-libs-4.10.16-5.el7.ppc64le.rpm
samba-common-tools-4.10.16-5.el7.ppc64le.rpm
samba-debuginfo-4.10.16-5.el7.ppc64le.rpm
samba-krb5-printing-4.10.16-5.el7.ppc64le.rpm
samba-libs-4.10.16-5.el7.ppc64le.rpm
samba-winbind-4.10.16-5.el7.ppc64le.rpm
samba-winbind-clients-4.10.16-5.el7.ppc64le.rpm
samba-winbind-modules-4.10.16-5.el7.ppc64le.rpm

s390x:
libsmbclient-4.10.16-5.el7.s390.rpm
libsmbclient-4.10.16-5.el7.s390x.rpm
libwbclient-4.10.16-5.el7.s390.rpm
libwbclient-4.10.16-5.el7.s390x.rpm
samba-4.10.16-5.el7.s390x.rpm
samba-client-4.10.16-5.el7.s390x.rpm
samba-client-libs-4.10.16-5.el7.s390.rpm
samba-client-libs-4.10.16-5.el7.s390x.rpm
samba-common-libs-4.10.16-5.el7.s390.rpm
samba-common-libs-4.10.16-5.el7.s390x.rpm
samba-common-tools-4.10.16-5.el7.s390x.rpm
samba-debuginfo-4.10.16-5.el7.s390.rpm
samba-debuginfo-4.10.16-5.el7.s390x.rpm
samba-krb5-printing-4.10.16-5.el7.s390x.rpm
samba-libs-4.10.16-5.el7.s390.rpm
samba-libs-4.10.16-5.el7.s390x.rpm
samba-winbind-4.10.16-5.el7.s390x.rpm
samba-winbind-clients-4.10.16-5.el7.s390x.rpm
samba-winbind-modules-4.10.16-5.el7.s390.rpm
samba-winbind-modules-4.10.16-5.el7.s390x.rpm

x86_64:
libsmbclient-4.10.16-5.el7.i686.rpm
libsmbclient-4.10.16-5.el7.x86_64.rpm
libwbclient-4.10.16-5.el7.i686.rpm
libwbclient-4.10.16-5.el7.x86_64.rpm
samba-4.10.16-5.el7.x86_64.rpm
samba-client-4.10.16-5.el7.x86_64.rpm
samba-client-libs-4.10.16-5.el7.i686.rpm
samba-client-libs-4.10.16-5.el7.x86_64.rpm
samba-common-libs-4.10.16-5.el7.i686.rpm
samba-common-libs-4.10.16-5.el7.x86_64.rpm
samba-common-tools-4.10.16-5.el7.x86_64.rpm
samba-debuginfo-4.10.16-5.el7.i686.rpm
samba-debuginfo-4.10.16-5.el7.x86_64.rpm
samba-krb5-printing-4.10.16-5.el7.x86_64.rpm
samba-libs-4.10.16-5.el7.i686.rpm
samba-libs-4.10.16-5.el7.x86_64.rpm
samba-python-4.10.16-5.el7.i686.rpm
samba-python-4.10.16-5.el7.x86_64.rpm
samba-winbind-4.10.16-5.el7.x86_64.rpm
samba-winbind-clients-4.10.16-5.el7.x86_64.rpm
samba-winbind-modules-4.10.16-5.el7.i686.rpm
samba-winbind-modules-4.10.16-5.el7.x86_64.rpm

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

ppc64le:
ctdb-4.10.16-5.el7.ppc64le.rpm
ctdb-tests-4.10.16-5.el7.ppc64le.rpm
samba-debuginfo-4.10.16-5.el7.ppc64le.rpm

s390x:
ctdb-4.10.16-5.el7.s390x.rpm
ctdb-tests-4.10.16-5.el7.s390x.rpm
samba-debuginfo-4.10.16-5.el7.s390x.rpm

x86_64:
ctdb-4.10.16-5.el7.x86_64.rpm
ctdb-tests-4.10.16-5.el7.x86_64.rpm
samba-debuginfo-4.10.16-5.el7.x86_64.rpm

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

noarch:
samba-pidl-4.10.16-5.el7.noarch.rpm

ppc64:
libsmbclient-devel-4.10.16-5.el7.ppc.rpm
libsmbclient-devel-4.10.16-5.el7.ppc64.rpm
libwbclient-devel-4.10.16-5.el7.ppc.rpm
libwbclient-devel-4.10.16-5.el7.ppc64.rpm
samba-dc-4.10.16-5.el7.ppc64.rpm
samba-dc-libs-4.10.16-5.el7.ppc64.rpm
samba-debuginfo-4.10.16-5.el7.ppc.rpm
samba-debuginfo-4.10.16-5.el7.ppc64.rpm
samba-devel-4.10.16-5.el7.ppc.rpm
samba-devel-4.10.16-5.el7.ppc64.rpm
samba-python-4.10.16-5.el7.ppc.rpm
samba-python-4.10.16-5.el7.ppc64.rpm
samba-python-test-4.10.16-5.el7.ppc64.rpm
samba-test-4.10.16-5.el7.ppc64.rpm
samba-test-libs-4.10.16-5.el7.ppc.rpm
samba-test-libs-4.10.16-5.el7.ppc64.rpm
samba-winbind-krb5-locator-4.10.16-5.el7.ppc64.rpm

ppc64le:
libsmbclient-devel-4.10.16-5.el7.ppc64le.rpm
libwbclient-devel-4.10.16-5.el7.ppc64le.rpm
samba-dc-4.10.16-5.el7.ppc64le.rpm
samba-dc-libs-4.10.16-5.el7.ppc64le.rpm
samba-debuginfo-4.10.16-5.el7.ppc64le.rpm
samba-devel-4.10.16-5.el7.ppc64le.rpm
samba-python-4.10.16-5.el7.ppc64le.rpm
samba-python-test-4.10.16-5.el7.ppc64le.rpm
samba-test-4.10.16-5.el7.ppc64le.rpm
samba-test-libs-4.10.16-5.el7.ppc64le.rpm
samba-winbind-krb5-locator-4.10.16-5.el7.ppc64le.rpm

s390x:
libsmbclient-devel-4.10.16-5.el7.s390.rpm
libsmbclient-devel-4.10.16-5.el7.s390x.rpm
libwbclient-devel-4.10.16-5.el7.s390.rpm
libwbclient-devel-4.10.16-5.el7.s390x.rpm
samba-dc-4.10.16-5.el7.s390x.rpm
samba-dc-libs-4.10.16-5.el7.s390x.rpm
samba-debuginfo-4.10.16-5.el7.s390.rpm
samba-debuginfo-4.10.16-5.el7.s390x.rpm
samba-devel-4.10.16-5.el7.s390.rpm
samba-devel-4.10.16-5.el7.s390x.rpm
samba-python-4.10.16-5.el7.s390.rpm
samba-python-4.10.16-5.el7.s390x.rpm
samba-python-test-4.10.16-5.el7.s390x.rpm
samba-test-4.10.16-5.el7.s390x.rpm
samba-test-libs-4.10.16-5.el7.s390.rpm
samba-test-libs-4.10.16-5.el7.s390x.rpm
samba-winbind-krb5-locator-4.10.16-5.el7.s390x.rpm

x86_64:
libsmbclient-devel-4.10.16-5.el7.i686.rpm
libsmbclient-devel-4.10.16-5.el7.x86_64.rpm
libwbclient-devel-4.10.16-5.el7.i686.rpm
libwbclient-devel-4.10.16-5.el7.x86_64.rpm
samba-dc-4.10.16-5.el7.x86_64.rpm
samba-dc-libs-4.10.16-5.el7.x86_64.rpm
samba-debuginfo-4.10.16-5.el7.i686.rpm
samba-debuginfo-4.10.16-5.el7.x86_64.rpm
samba-devel-4.10.16-5.el7.i686.rpm
samba-devel-4.10.16-5.el7.x86_64.rpm
samba-python-test-4.10.16-5.el7.x86_64.rpm
samba-test-4.10.16-5.el7.x86_64.rpm
samba-test-libs-4.10.16-5.el7.i686.rpm
samba-test-libs-4.10.16-5.el7.x86_64.rpm
samba-vfs-glusterfs-4.10.16-5.el7.x86_64.rpm
samba-winbind-krb5-locator-4.10.16-5.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
samba-4.10.16-5.el7.src.rpm

noarch:
samba-common-4.10.16-5.el7.noarch.rpm

x86_64:
libsmbclient-4.10.16-5.el7.i686.rpm
libsmbclient-4.10.16-5.el7.x86_64.rpm
libwbclient-4.10.16-5.el7.i686.rpm
libwbclient-4.10.16-5.el7.x86_64.rpm
samba-4.10.16-5.el7.x86_64.rpm
samba-client-4.10.16-5.el7.x86_64.rpm
samba-client-libs-4.10.16-5.el7.i686.rpm
samba-client-libs-4.10.16-5.el7.x86_64.rpm
samba-common-libs-4.10.16-5.el7.i686.rpm
samba-common-libs-4.10.16-5.el7.x86_64.rpm
samba-common-tools-4.10.16-5.el7.x86_64.rpm
samba-debuginfo-4.10.16-5.el7.i686.rpm
samba-debuginfo-4.10.16-5.el7.x86_64.rpm
samba-krb5-printing-4.10.16-5.el7.x86_64.rpm
samba-libs-4.10.16-5.el7.i686.rpm
samba-libs-4.10.16-5.el7.x86_64.rpm
samba-python-4.10.16-5.el7.i686.rpm
samba-python-4.10.16-5.el7.x86_64.rpm
samba-winbind-4.10.16-5.el7.x86_64.rpm
samba-winbind-clients-4.10.16-5.el7.x86_64.rpm
samba-winbind-modules-4.10.16-5.el7.i686.rpm
samba-winbind-modules-4.10.16-5.el7.x86_64.rpm

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

noarch:
samba-pidl-4.10.16-5.el7.noarch.rpm

x86_64:
libsmbclient-devel-4.10.16-5.el7.i686.rpm
libsmbclient-devel-4.10.16-5.el7.x86_64.rpm
libwbclient-devel-4.10.16-5.el7.i686.rpm
libwbclient-devel-4.10.16-5.el7.x86_64.rpm
samba-dc-4.10.16-5.el7.x86_64.rpm
samba-dc-libs-4.10.16-5.el7.x86_64.rpm
samba-debuginfo-4.10.16-5.el7.i686.rpm
samba-debuginfo-4.10.16-5.el7.x86_64.rpm
samba-devel-4.10.16-5.el7.i686.rpm
samba-devel-4.10.16-5.el7.x86_64.rpm
samba-python-test-4.10.16-5.el7.x86_64.rpm
samba-test-4.10.16-5.el7.x86_64.rpm
samba-test-libs-4.10.16-5.el7.i686.rpm
samba-test-libs-4.10.16-5.el7.x86_64.rpm
samba-vfs-glusterfs-4.10.16-5.el7.x86_64.rpm
samba-winbind-krb5-locator-4.10.16-5.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-2019-14907
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index

8. Contact:

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

Copyright 2020 Red Hat, Inc.
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-----END PGP SIGNATURE-----

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