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Red Hat Security Advisory

Synopsis: Moderate: samba security, bug fix, and enhancement update
Advisory ID: RHSA-2019:2099-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2099
Issue date: 2019-08-06
CVE Names: CVE-2019-3880
=====================================================================

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 (4.9.1). (BZ#1649434)

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
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 7.7 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/):

1479451 – Unable to authenticate against AD with kerberos using the `net’ command
1529301 – [RFE] Support adding SPN of a different host with “net ads keytab add”
1600274 – vfs_audit log does not show full path names
1623140 – Samba still sending on port 139
1649434 – Rebase samba in RHEL-7.7 to the same version as RHEL 8.0
1650452 – Backport smbc_setOptionProtocols() function
1656405 – Classic domain requires domain name to authenticate after last update
1659533 – Unable to create new files or folders using samba and vfs_glusterfs
1662408 – cups allows the smbspool backend to overwrite a configured printers AuthInfoRequired as “username,password”
1674403 – Adding `force group = …` to an active SMB sessoin causes PANIC
1690222 – smbclient man page needs update on RHEL7.6
1691518 – CVE-2019-3880 samba: save registry file outside share as unprivileged user

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
samba-4.9.1-6.el7.src.rpm

noarch:
samba-common-4.9.1-6.el7.noarch.rpm

x86_64:
libsmbclient-4.9.1-6.el7.i686.rpm
libsmbclient-4.9.1-6.el7.x86_64.rpm
libwbclient-4.9.1-6.el7.i686.rpm
libwbclient-4.9.1-6.el7.x86_64.rpm
samba-client-4.9.1-6.el7.x86_64.rpm
samba-client-libs-4.9.1-6.el7.i686.rpm
samba-client-libs-4.9.1-6.el7.x86_64.rpm
samba-common-libs-4.9.1-6.el7.x86_64.rpm
samba-common-tools-4.9.1-6.el7.x86_64.rpm
samba-debuginfo-4.9.1-6.el7.i686.rpm
samba-debuginfo-4.9.1-6.el7.x86_64.rpm
samba-krb5-printing-4.9.1-6.el7.x86_64.rpm
samba-libs-4.9.1-6.el7.i686.rpm
samba-libs-4.9.1-6.el7.x86_64.rpm
samba-winbind-4.9.1-6.el7.x86_64.rpm
samba-winbind-clients-4.9.1-6.el7.x86_64.rpm
samba-winbind-modules-4.9.1-6.el7.i686.rpm
samba-winbind-modules-4.9.1-6.el7.x86_64.rpm

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

noarch:
samba-pidl-4.9.1-6.el7.noarch.rpm

x86_64:
libsmbclient-devel-4.9.1-6.el7.i686.rpm
libsmbclient-devel-4.9.1-6.el7.x86_64.rpm
libwbclient-devel-4.9.1-6.el7.i686.rpm
libwbclient-devel-4.9.1-6.el7.x86_64.rpm
samba-4.9.1-6.el7.x86_64.rpm
samba-dc-4.9.1-6.el7.x86_64.rpm
samba-dc-libs-4.9.1-6.el7.x86_64.rpm
samba-debuginfo-4.9.1-6.el7.i686.rpm
samba-debuginfo-4.9.1-6.el7.x86_64.rpm
samba-devel-4.9.1-6.el7.i686.rpm
samba-devel-4.9.1-6.el7.x86_64.rpm
samba-python-4.9.1-6.el7.i686.rpm
samba-python-4.9.1-6.el7.x86_64.rpm
samba-python-test-4.9.1-6.el7.x86_64.rpm
samba-test-4.9.1-6.el7.x86_64.rpm
samba-test-libs-4.9.1-6.el7.i686.rpm
samba-test-libs-4.9.1-6.el7.x86_64.rpm
samba-vfs-glusterfs-4.9.1-6.el7.x86_64.rpm
samba-winbind-krb5-locator-4.9.1-6.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
samba-4.9.1-6.el7.src.rpm

noarch:
samba-common-4.9.1-6.el7.noarch.rpm

x86_64:
libsmbclient-4.9.1-6.el7.i686.rpm
libsmbclient-4.9.1-6.el7.x86_64.rpm
libwbclient-4.9.1-6.el7.i686.rpm
libwbclient-4.9.1-6.el7.x86_64.rpm
samba-client-4.9.1-6.el7.x86_64.rpm
samba-client-libs-4.9.1-6.el7.i686.rpm
samba-client-libs-4.9.1-6.el7.x86_64.rpm
samba-common-libs-4.9.1-6.el7.x86_64.rpm
samba-common-tools-4.9.1-6.el7.x86_64.rpm
samba-debuginfo-4.9.1-6.el7.i686.rpm
samba-debuginfo-4.9.1-6.el7.x86_64.rpm
samba-libs-4.9.1-6.el7.i686.rpm
samba-libs-4.9.1-6.el7.x86_64.rpm
samba-winbind-4.9.1-6.el7.x86_64.rpm
samba-winbind-clients-4.9.1-6.el7.x86_64.rpm
samba-winbind-modules-4.9.1-6.el7.i686.rpm
samba-winbind-modules-4.9.1-6.el7.x86_64.rpm

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

noarch:
samba-pidl-4.9.1-6.el7.noarch.rpm

x86_64:
libsmbclient-devel-4.9.1-6.el7.i686.rpm
libsmbclient-devel-4.9.1-6.el7.x86_64.rpm
libwbclient-devel-4.9.1-6.el7.i686.rpm
libwbclient-devel-4.9.1-6.el7.x86_64.rpm
samba-4.9.1-6.el7.x86_64.rpm
samba-dc-4.9.1-6.el7.x86_64.rpm
samba-dc-libs-4.9.1-6.el7.x86_64.rpm
samba-debuginfo-4.9.1-6.el7.i686.rpm
samba-debuginfo-4.9.1-6.el7.x86_64.rpm
samba-devel-4.9.1-6.el7.i686.rpm
samba-devel-4.9.1-6.el7.x86_64.rpm
samba-krb5-printing-4.9.1-6.el7.x86_64.rpm
samba-python-4.9.1-6.el7.i686.rpm
samba-python-4.9.1-6.el7.x86_64.rpm
samba-python-test-4.9.1-6.el7.x86_64.rpm
samba-test-4.9.1-6.el7.x86_64.rpm
samba-test-libs-4.9.1-6.el7.i686.rpm
samba-test-libs-4.9.1-6.el7.x86_64.rpm
samba-vfs-glusterfs-4.9.1-6.el7.x86_64.rpm
samba-winbind-krb5-locator-4.9.1-6.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
samba-4.9.1-6.el7.src.rpm

noarch:
samba-common-4.9.1-6.el7.noarch.rpm

ppc64:
libsmbclient-4.9.1-6.el7.ppc.rpm
libsmbclient-4.9.1-6.el7.ppc64.rpm
libwbclient-4.9.1-6.el7.ppc.rpm
libwbclient-4.9.1-6.el7.ppc64.rpm
samba-4.9.1-6.el7.ppc64.rpm
samba-client-4.9.1-6.el7.ppc64.rpm
samba-client-libs-4.9.1-6.el7.ppc.rpm
samba-client-libs-4.9.1-6.el7.ppc64.rpm
samba-common-libs-4.9.1-6.el7.ppc64.rpm
samba-common-tools-4.9.1-6.el7.ppc64.rpm
samba-debuginfo-4.9.1-6.el7.ppc.rpm
samba-debuginfo-4.9.1-6.el7.ppc64.rpm
samba-krb5-printing-4.9.1-6.el7.ppc64.rpm
samba-libs-4.9.1-6.el7.ppc.rpm
samba-libs-4.9.1-6.el7.ppc64.rpm
samba-winbind-4.9.1-6.el7.ppc64.rpm
samba-winbind-clients-4.9.1-6.el7.ppc64.rpm
samba-winbind-modules-4.9.1-6.el7.ppc.rpm
samba-winbind-modules-4.9.1-6.el7.ppc64.rpm

ppc64le:
libsmbclient-4.9.1-6.el7.ppc64le.rpm
libwbclient-4.9.1-6.el7.ppc64le.rpm
samba-4.9.1-6.el7.ppc64le.rpm
samba-client-4.9.1-6.el7.ppc64le.rpm
samba-client-libs-4.9.1-6.el7.ppc64le.rpm
samba-common-libs-4.9.1-6.el7.ppc64le.rpm
samba-common-tools-4.9.1-6.el7.ppc64le.rpm
samba-debuginfo-4.9.1-6.el7.ppc64le.rpm
samba-krb5-printing-4.9.1-6.el7.ppc64le.rpm
samba-libs-4.9.1-6.el7.ppc64le.rpm
samba-winbind-4.9.1-6.el7.ppc64le.rpm
samba-winbind-clients-4.9.1-6.el7.ppc64le.rpm
samba-winbind-modules-4.9.1-6.el7.ppc64le.rpm

s390x:
libsmbclient-4.9.1-6.el7.s390.rpm
libsmbclient-4.9.1-6.el7.s390x.rpm
libwbclient-4.9.1-6.el7.s390.rpm
libwbclient-4.9.1-6.el7.s390x.rpm
samba-4.9.1-6.el7.s390x.rpm
samba-client-4.9.1-6.el7.s390x.rpm
samba-client-libs-4.9.1-6.el7.s390.rpm
samba-client-libs-4.9.1-6.el7.s390x.rpm
samba-common-libs-4.9.1-6.el7.s390x.rpm
samba-common-tools-4.9.1-6.el7.s390x.rpm
samba-debuginfo-4.9.1-6.el7.s390.rpm
samba-debuginfo-4.9.1-6.el7.s390x.rpm
samba-krb5-printing-4.9.1-6.el7.s390x.rpm
samba-libs-4.9.1-6.el7.s390.rpm
samba-libs-4.9.1-6.el7.s390x.rpm
samba-winbind-4.9.1-6.el7.s390x.rpm
samba-winbind-clients-4.9.1-6.el7.s390x.rpm
samba-winbind-modules-4.9.1-6.el7.s390.rpm
samba-winbind-modules-4.9.1-6.el7.s390x.rpm

x86_64:
libsmbclient-4.9.1-6.el7.i686.rpm
libsmbclient-4.9.1-6.el7.x86_64.rpm
libwbclient-4.9.1-6.el7.i686.rpm
libwbclient-4.9.1-6.el7.x86_64.rpm
samba-4.9.1-6.el7.x86_64.rpm
samba-client-4.9.1-6.el7.x86_64.rpm
samba-client-libs-4.9.1-6.el7.i686.rpm
samba-client-libs-4.9.1-6.el7.x86_64.rpm
samba-common-libs-4.9.1-6.el7.x86_64.rpm
samba-common-tools-4.9.1-6.el7.x86_64.rpm
samba-debuginfo-4.9.1-6.el7.i686.rpm
samba-debuginfo-4.9.1-6.el7.x86_64.rpm
samba-krb5-printing-4.9.1-6.el7.x86_64.rpm
samba-libs-4.9.1-6.el7.i686.rpm
samba-libs-4.9.1-6.el7.x86_64.rpm
samba-python-4.9.1-6.el7.i686.rpm
samba-python-4.9.1-6.el7.x86_64.rpm
samba-winbind-4.9.1-6.el7.x86_64.rpm
samba-winbind-clients-4.9.1-6.el7.x86_64.rpm
samba-winbind-modules-4.9.1-6.el7.i686.rpm
samba-winbind-modules-4.9.1-6.el7.x86_64.rpm

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

ppc64le:
ctdb-4.9.1-6.el7.ppc64le.rpm
ctdb-tests-4.9.1-6.el7.ppc64le.rpm
samba-debuginfo-4.9.1-6.el7.ppc64le.rpm

s390x:
ctdb-4.9.1-6.el7.s390x.rpm
ctdb-tests-4.9.1-6.el7.s390x.rpm
samba-debuginfo-4.9.1-6.el7.s390x.rpm

x86_64:
ctdb-4.9.1-6.el7.x86_64.rpm
ctdb-tests-4.9.1-6.el7.x86_64.rpm
samba-debuginfo-4.9.1-6.el7.x86_64.rpm

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

noarch:
samba-pidl-4.9.1-6.el7.noarch.rpm

ppc64:
libsmbclient-devel-4.9.1-6.el7.ppc.rpm
libsmbclient-devel-4.9.1-6.el7.ppc64.rpm
libwbclient-devel-4.9.1-6.el7.ppc.rpm
libwbclient-devel-4.9.1-6.el7.ppc64.rpm
samba-dc-4.9.1-6.el7.ppc64.rpm
samba-dc-libs-4.9.1-6.el7.ppc64.rpm
samba-debuginfo-4.9.1-6.el7.ppc.rpm
samba-debuginfo-4.9.1-6.el7.ppc64.rpm
samba-devel-4.9.1-6.el7.ppc.rpm
samba-devel-4.9.1-6.el7.ppc64.rpm
samba-python-4.9.1-6.el7.ppc.rpm
samba-python-4.9.1-6.el7.ppc64.rpm
samba-python-test-4.9.1-6.el7.ppc64.rpm
samba-test-4.9.1-6.el7.ppc64.rpm
samba-test-libs-4.9.1-6.el7.ppc.rpm
samba-test-libs-4.9.1-6.el7.ppc64.rpm
samba-winbind-krb5-locator-4.9.1-6.el7.ppc64.rpm

ppc64le:
libsmbclient-devel-4.9.1-6.el7.ppc64le.rpm
libwbclient-devel-4.9.1-6.el7.ppc64le.rpm
samba-dc-4.9.1-6.el7.ppc64le.rpm
samba-dc-libs-4.9.1-6.el7.ppc64le.rpm
samba-debuginfo-4.9.1-6.el7.ppc64le.rpm
samba-devel-4.9.1-6.el7.ppc64le.rpm
samba-python-4.9.1-6.el7.ppc64le.rpm
samba-python-test-4.9.1-6.el7.ppc64le.rpm
samba-test-4.9.1-6.el7.ppc64le.rpm
samba-test-libs-4.9.1-6.el7.ppc64le.rpm
samba-winbind-krb5-locator-4.9.1-6.el7.ppc64le.rpm

s390x:
libsmbclient-devel-4.9.1-6.el7.s390.rpm
libsmbclient-devel-4.9.1-6.el7.s390x.rpm
libwbclient-devel-4.9.1-6.el7.s390.rpm
libwbclient-devel-4.9.1-6.el7.s390x.rpm
samba-dc-4.9.1-6.el7.s390x.rpm
samba-dc-libs-4.9.1-6.el7.s390x.rpm
samba-debuginfo-4.9.1-6.el7.s390.rpm
samba-debuginfo-4.9.1-6.el7.s390x.rpm
samba-devel-4.9.1-6.el7.s390.rpm
samba-devel-4.9.1-6.el7.s390x.rpm
samba-python-4.9.1-6.el7.s390.rpm
samba-python-4.9.1-6.el7.s390x.rpm
samba-python-test-4.9.1-6.el7.s390x.rpm
samba-test-4.9.1-6.el7.s390x.rpm
samba-test-libs-4.9.1-6.el7.s390.rpm
samba-test-libs-4.9.1-6.el7.s390x.rpm
samba-winbind-krb5-locator-4.9.1-6.el7.s390x.rpm

x86_64:
libsmbclient-devel-4.9.1-6.el7.i686.rpm
libsmbclient-devel-4.9.1-6.el7.x86_64.rpm
libwbclient-devel-4.9.1-6.el7.i686.rpm
libwbclient-devel-4.9.1-6.el7.x86_64.rpm
samba-dc-4.9.1-6.el7.x86_64.rpm
samba-dc-libs-4.9.1-6.el7.x86_64.rpm
samba-debuginfo-4.9.1-6.el7.i686.rpm
samba-debuginfo-4.9.1-6.el7.x86_64.rpm
samba-devel-4.9.1-6.el7.i686.rpm
samba-devel-4.9.1-6.el7.x86_64.rpm
samba-python-test-4.9.1-6.el7.x86_64.rpm
samba-test-4.9.1-6.el7.x86_64.rpm
samba-test-libs-4.9.1-6.el7.i686.rpm
samba-test-libs-4.9.1-6.el7.x86_64.rpm
samba-vfs-glusterfs-4.9.1-6.el7.x86_64.rpm
samba-winbind-krb5-locator-4.9.1-6.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
samba-4.9.1-6.el7.src.rpm

noarch:
samba-common-4.9.1-6.el7.noarch.rpm

x86_64:
libsmbclient-4.9.1-6.el7.i686.rpm
libsmbclient-4.9.1-6.el7.x86_64.rpm
libwbclient-4.9.1-6.el7.i686.rpm
libwbclient-4.9.1-6.el7.x86_64.rpm
samba-4.9.1-6.el7.x86_64.rpm
samba-client-4.9.1-6.el7.x86_64.rpm
samba-client-libs-4.9.1-6.el7.i686.rpm
samba-client-libs-4.9.1-6.el7.x86_64.rpm
samba-common-libs-4.9.1-6.el7.x86_64.rpm
samba-common-tools-4.9.1-6.el7.x86_64.rpm
samba-debuginfo-4.9.1-6.el7.i686.rpm
samba-debuginfo-4.9.1-6.el7.x86_64.rpm
samba-krb5-printing-4.9.1-6.el7.x86_64.rpm
samba-libs-4.9.1-6.el7.i686.rpm
samba-libs-4.9.1-6.el7.x86_64.rpm
samba-python-4.9.1-6.el7.i686.rpm
samba-python-4.9.1-6.el7.x86_64.rpm
samba-winbind-4.9.1-6.el7.x86_64.rpm
samba-winbind-clients-4.9.1-6.el7.x86_64.rpm
samba-winbind-modules-4.9.1-6.el7.i686.rpm
samba-winbind-modules-4.9.1-6.el7.x86_64.rpm

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

noarch:
samba-pidl-4.9.1-6.el7.noarch.rpm

x86_64:
libsmbclient-devel-4.9.1-6.el7.i686.rpm
libsmbclient-devel-4.9.1-6.el7.x86_64.rpm
libwbclient-devel-4.9.1-6.el7.i686.rpm
libwbclient-devel-4.9.1-6.el7.x86_64.rpm
samba-dc-4.9.1-6.el7.x86_64.rpm
samba-dc-libs-4.9.1-6.el7.x86_64.rpm
samba-debuginfo-4.9.1-6.el7.i686.rpm
samba-debuginfo-4.9.1-6.el7.x86_64.rpm
samba-devel-4.9.1-6.el7.i686.rpm
samba-devel-4.9.1-6.el7.x86_64.rpm
samba-python-test-4.9.1-6.el7.x86_64.rpm
samba-test-4.9.1-6.el7.x86_64.rpm
samba-test-libs-4.9.1-6.el7.i686.rpm
samba-test-libs-4.9.1-6.el7.x86_64.rpm
samba-vfs-glusterfs-4.9.1-6.el7.x86_64.rpm
samba-winbind-krb5-locator-4.9.1-6.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-2019-3880
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_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 2019 Red Hat, Inc.
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