ctdb, libsmbclient, libwbclient, samba security update

CentOS Errata and Security Advisory CESA-2018:3056

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 (4.8.3). (BZ#1558560)

Security Fix(es):

• samba: Weak authentication protocol regression (CVE-2018-1139)

• samba: Insufficient input validation in libsmbclient (CVE-2018-10858)

• samba: NULL pointer dereference in printer server process (CVE-2018-1050)

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

Red Hat would like to thank the Samba project for reporting CVE-2018-1050. The CVE-2018-1139 issue was discovered by Vivek Das (Red Hat).

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-cr-announce/2018-December/032059.html

Affected packages:
ctdb
ctdb-tests
libsmbclient
libsmbclient-devel
libwbclient
libwbclient-devel
samba
samba-client
samba-client-libs
samba-common
samba-common-libs
samba-common-tools
samba-dc
samba-dc-libs
samba-devel
samba-krb5-printing
samba-libs
samba-pidl
samba-python
samba-python-test
samba-test
samba-test-libs
samba-vfs-glusterfs
samba-winbind
samba-winbind-clients
samba-winbind-krb5-locator
samba-winbind-modules

Upstream details at:
https://access.redhat.com/errata/RHSA-2018:3056