Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2016.1817
Moderate: samba security and bug fix updates
27 July 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: samba
samba4
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Red Hat Enterprise Linux WS/Desktop 7
Red Hat Enterprise Linux Server 6
Red Hat Enterprise Linux WS/Desktop 6
Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Provide Misleading Information -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2016-2119
Original Bulletin:
https://rhn.redhat.com/errata/RHSA-2016-1486.html
https://rhn.redhat.com/errata/RHSA-2016-1487.html
https://rhn.redhat.com/errata/RHSA-2016-1494.html
Comment: This advisory references vulnerabilities in products which run on
platforms other than Red Hat. It is recommended that administrators
running samba check for an updated version of the software
for their operating system.
This bulletin contains three (3) Red Hat security advisories.
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Red Hat Security Advisory
Synopsis: Moderate: samba security and bug fix update
Advisory ID: RHSA-2016:1486-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-1486.html
Issue date: 2016-07-26
CVE Names: CVE-2016-2119
=====================================================================
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) - 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.
Security Fix(es):
* A flaw was found in the way Samba initiated signed DCE/RPC connections. A
man-in-the-middle attacker could use this flaw to downgrade the connection
to not use signing and therefore impersonate the server. (CVE-2016-2119)
Red Hat would like to thank the Samba project for reporting this issue.
Upstream acknowledges Stefan Metzmacher as the original reporter.
Bug Fix(es):
* Previously, the "net" command in some cases failed to join the client to
Active Directory (AD) because the permissions setting prevented
modification of the supported Kerberos encryption type LDAP attribute. With
this update, Samba has been fixed to allow joining an AD domain as a user.
In addition, Samba now uses the machine account credentials to set up the
Kerberos encryption types within AD for the joined machine. As a result,
using "net" to join a domain now works more reliably. (BZ#1351260)
* Previously, the idmap_hash module worked incorrectly when it was used
together with other modules. As a consequence, user and group IDs were not
mapped properly. A patch has been applied to skip already configured
modules. Now, the hash module can be used as the default idmap
configuration back end and IDs are resolved correctly. (BZ#1350759)
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/):
1350759 - idmap_hash module works incorrectly when used with other backend modules
1351260 - net ads join throws "Failed to join domain: failed to set machine kerberos encryption types: Insufficient access"
1351955 - CVE-2016-2119 samba: Client side SMB2/3 required signing can be downgraded
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
samba-4.2.10-7.el7_2.src.rpm
noarch:
samba-common-4.2.10-7.el7_2.noarch.rpm
x86_64:
libsmbclient-4.2.10-7.el7_2.i686.rpm
libsmbclient-4.2.10-7.el7_2.x86_64.rpm
libwbclient-4.2.10-7.el7_2.i686.rpm
libwbclient-4.2.10-7.el7_2.x86_64.rpm
samba-client-4.2.10-7.el7_2.x86_64.rpm
samba-client-libs-4.2.10-7.el7_2.i686.rpm
samba-client-libs-4.2.10-7.el7_2.x86_64.rpm
samba-common-libs-4.2.10-7.el7_2.x86_64.rpm
samba-common-tools-4.2.10-7.el7_2.x86_64.rpm
samba-debuginfo-4.2.10-7.el7_2.i686.rpm
samba-debuginfo-4.2.10-7.el7_2.x86_64.rpm
samba-libs-4.2.10-7.el7_2.i686.rpm
samba-libs-4.2.10-7.el7_2.x86_64.rpm
samba-winbind-4.2.10-7.el7_2.x86_64.rpm
samba-winbind-clients-4.2.10-7.el7_2.x86_64.rpm
samba-winbind-modules-4.2.10-7.el7_2.i686.rpm
samba-winbind-modules-4.2.10-7.el7_2.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
noarch:
samba-pidl-4.2.10-7.el7_2.noarch.rpm
x86_64:
libsmbclient-devel-4.2.10-7.el7_2.i686.rpm
libsmbclient-devel-4.2.10-7.el7_2.x86_64.rpm
libwbclient-devel-4.2.10-7.el7_2.i686.rpm
libwbclient-devel-4.2.10-7.el7_2.x86_64.rpm
samba-4.2.10-7.el7_2.x86_64.rpm
samba-dc-4.2.10-7.el7_2.x86_64.rpm
samba-dc-libs-4.2.10-7.el7_2.x86_64.rpm
samba-debuginfo-4.2.10-7.el7_2.i686.rpm
samba-debuginfo-4.2.10-7.el7_2.x86_64.rpm
samba-devel-4.2.10-7.el7_2.i686.rpm
samba-devel-4.2.10-7.el7_2.x86_64.rpm
samba-python-4.2.10-7.el7_2.x86_64.rpm
samba-test-4.2.10-7.el7_2.x86_64.rpm
samba-test-devel-4.2.10-7.el7_2.x86_64.rpm
samba-test-libs-4.2.10-7.el7_2.i686.rpm
samba-test-libs-4.2.10-7.el7_2.x86_64.rpm
samba-vfs-glusterfs-4.2.10-7.el7_2.x86_64.rpm
samba-winbind-krb5-locator-4.2.10-7.el7_2.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
samba-4.2.10-7.el7_2.src.rpm
noarch:
samba-common-4.2.10-7.el7_2.noarch.rpm
x86_64:
libsmbclient-4.2.10-7.el7_2.i686.rpm
libsmbclient-4.2.10-7.el7_2.x86_64.rpm
libwbclient-4.2.10-7.el7_2.i686.rpm
libwbclient-4.2.10-7.el7_2.x86_64.rpm
samba-client-4.2.10-7.el7_2.x86_64.rpm
samba-client-libs-4.2.10-7.el7_2.i686.rpm
samba-client-libs-4.2.10-7.el7_2.x86_64.rpm
samba-common-libs-4.2.10-7.el7_2.x86_64.rpm
samba-common-tools-4.2.10-7.el7_2.x86_64.rpm
samba-debuginfo-4.2.10-7.el7_2.i686.rpm
samba-debuginfo-4.2.10-7.el7_2.x86_64.rpm
samba-libs-4.2.10-7.el7_2.i686.rpm
samba-libs-4.2.10-7.el7_2.x86_64.rpm
samba-winbind-4.2.10-7.el7_2.x86_64.rpm
samba-winbind-clients-4.2.10-7.el7_2.x86_64.rpm
samba-winbind-modules-4.2.10-7.el7_2.i686.rpm
samba-winbind-modules-4.2.10-7.el7_2.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
noarch:
samba-pidl-4.2.10-7.el7_2.noarch.rpm
x86_64:
libsmbclient-devel-4.2.10-7.el7_2.i686.rpm
libsmbclient-devel-4.2.10-7.el7_2.x86_64.rpm
libwbclient-devel-4.2.10-7.el7_2.i686.rpm
libwbclient-devel-4.2.10-7.el7_2.x86_64.rpm
samba-4.2.10-7.el7_2.x86_64.rpm
samba-dc-4.2.10-7.el7_2.x86_64.rpm
samba-dc-libs-4.2.10-7.el7_2.x86_64.rpm
samba-debuginfo-4.2.10-7.el7_2.i686.rpm
samba-debuginfo-4.2.10-7.el7_2.x86_64.rpm
samba-devel-4.2.10-7.el7_2.i686.rpm
samba-devel-4.2.10-7.el7_2.x86_64.rpm
samba-python-4.2.10-7.el7_2.x86_64.rpm
samba-test-4.2.10-7.el7_2.x86_64.rpm
samba-test-devel-4.2.10-7.el7_2.x86_64.rpm
samba-test-libs-4.2.10-7.el7_2.i686.rpm
samba-test-libs-4.2.10-7.el7_2.x86_64.rpm
samba-vfs-glusterfs-4.2.10-7.el7_2.x86_64.rpm
samba-winbind-krb5-locator-4.2.10-7.el7_2.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
samba-4.2.10-7.el7_2.src.rpm
noarch:
samba-common-4.2.10-7.el7_2.noarch.rpm
ppc64:
libsmbclient-4.2.10-7.el7_2.ppc.rpm
libsmbclient-4.2.10-7.el7_2.ppc64.rpm
libwbclient-4.2.10-7.el7_2.ppc.rpm
libwbclient-4.2.10-7.el7_2.ppc64.rpm
samba-4.2.10-7.el7_2.ppc64.rpm
samba-client-4.2.10-7.el7_2.ppc64.rpm
samba-client-libs-4.2.10-7.el7_2.ppc.rpm
samba-client-libs-4.2.10-7.el7_2.ppc64.rpm
samba-common-libs-4.2.10-7.el7_2.ppc64.rpm
samba-common-tools-4.2.10-7.el7_2.ppc64.rpm
samba-debuginfo-4.2.10-7.el7_2.ppc.rpm
samba-debuginfo-4.2.10-7.el7_2.ppc64.rpm
samba-libs-4.2.10-7.el7_2.ppc.rpm
samba-libs-4.2.10-7.el7_2.ppc64.rpm
samba-winbind-4.2.10-7.el7_2.ppc64.rpm
samba-winbind-clients-4.2.10-7.el7_2.ppc64.rpm
samba-winbind-modules-4.2.10-7.el7_2.ppc.rpm
samba-winbind-modules-4.2.10-7.el7_2.ppc64.rpm
ppc64le:
libsmbclient-4.2.10-7.el7_2.ppc64le.rpm
libwbclient-4.2.10-7.el7_2.ppc64le.rpm
samba-4.2.10-7.el7_2.ppc64le.rpm
samba-client-4.2.10-7.el7_2.ppc64le.rpm
samba-client-libs-4.2.10-7.el7_2.ppc64le.rpm
samba-common-libs-4.2.10-7.el7_2.ppc64le.rpm
samba-common-tools-4.2.10-7.el7_2.ppc64le.rpm
samba-debuginfo-4.2.10-7.el7_2.ppc64le.rpm
samba-libs-4.2.10-7.el7_2.ppc64le.rpm
samba-winbind-4.2.10-7.el7_2.ppc64le.rpm
samba-winbind-clients-4.2.10-7.el7_2.ppc64le.rpm
samba-winbind-modules-4.2.10-7.el7_2.ppc64le.rpm
s390x:
libsmbclient-4.2.10-7.el7_2.s390.rpm
libsmbclient-4.2.10-7.el7_2.s390x.rpm
libwbclient-4.2.10-7.el7_2.s390.rpm
libwbclient-4.2.10-7.el7_2.s390x.rpm
samba-4.2.10-7.el7_2.s390x.rpm
samba-client-4.2.10-7.el7_2.s390x.rpm
samba-client-libs-4.2.10-7.el7_2.s390.rpm
samba-client-libs-4.2.10-7.el7_2.s390x.rpm
samba-common-libs-4.2.10-7.el7_2.s390x.rpm
samba-common-tools-4.2.10-7.el7_2.s390x.rpm
samba-debuginfo-4.2.10-7.el7_2.s390.rpm
samba-debuginfo-4.2.10-7.el7_2.s390x.rpm
samba-libs-4.2.10-7.el7_2.s390.rpm
samba-libs-4.2.10-7.el7_2.s390x.rpm
samba-winbind-4.2.10-7.el7_2.s390x.rpm
samba-winbind-clients-4.2.10-7.el7_2.s390x.rpm
samba-winbind-modules-4.2.10-7.el7_2.s390.rpm
samba-winbind-modules-4.2.10-7.el7_2.s390x.rpm
x86_64:
libsmbclient-4.2.10-7.el7_2.i686.rpm
libsmbclient-4.2.10-7.el7_2.x86_64.rpm
libwbclient-4.2.10-7.el7_2.i686.rpm
libwbclient-4.2.10-7.el7_2.x86_64.rpm
samba-4.2.10-7.el7_2.x86_64.rpm
samba-client-4.2.10-7.el7_2.x86_64.rpm
samba-client-libs-4.2.10-7.el7_2.i686.rpm
samba-client-libs-4.2.10-7.el7_2.x86_64.rpm
samba-common-libs-4.2.10-7.el7_2.x86_64.rpm
samba-common-tools-4.2.10-7.el7_2.x86_64.rpm
samba-debuginfo-4.2.10-7.el7_2.i686.rpm
samba-debuginfo-4.2.10-7.el7_2.x86_64.rpm
samba-libs-4.2.10-7.el7_2.i686.rpm
samba-libs-4.2.10-7.el7_2.x86_64.rpm
samba-python-4.2.10-7.el7_2.x86_64.rpm
samba-winbind-4.2.10-7.el7_2.x86_64.rpm
samba-winbind-clients-4.2.10-7.el7_2.x86_64.rpm
samba-winbind-modules-4.2.10-7.el7_2.i686.rpm
samba-winbind-modules-4.2.10-7.el7_2.x86_64.rpm
Red Hat Enterprise Linux Server Resilient Storage (v. 7):
x86_64:
ctdb-4.2.10-7.el7_2.x86_64.rpm
ctdb-devel-4.2.10-7.el7_2.i686.rpm
ctdb-devel-4.2.10-7.el7_2.x86_64.rpm
ctdb-tests-4.2.10-7.el7_2.x86_64.rpm
samba-debuginfo-4.2.10-7.el7_2.i686.rpm
samba-debuginfo-4.2.10-7.el7_2.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
noarch:
samba-pidl-4.2.10-7.el7_2.noarch.rpm
ppc64:
libsmbclient-devel-4.2.10-7.el7_2.ppc.rpm
libsmbclient-devel-4.2.10-7.el7_2.ppc64.rpm
libwbclient-devel-4.2.10-7.el7_2.ppc.rpm
libwbclient-devel-4.2.10-7.el7_2.ppc64.rpm
samba-dc-4.2.10-7.el7_2.ppc64.rpm
samba-dc-libs-4.2.10-7.el7_2.ppc64.rpm
samba-debuginfo-4.2.10-7.el7_2.ppc.rpm
samba-debuginfo-4.2.10-7.el7_2.ppc64.rpm
samba-devel-4.2.10-7.el7_2.ppc.rpm
samba-devel-4.2.10-7.el7_2.ppc64.rpm
samba-python-4.2.10-7.el7_2.ppc64.rpm
samba-test-4.2.10-7.el7_2.ppc64.rpm
samba-test-devel-4.2.10-7.el7_2.ppc64.rpm
samba-test-libs-4.2.10-7.el7_2.ppc.rpm
samba-test-libs-4.2.10-7.el7_2.ppc64.rpm
samba-winbind-krb5-locator-4.2.10-7.el7_2.ppc64.rpm
ppc64le:
libsmbclient-devel-4.2.10-7.el7_2.ppc64le.rpm
libwbclient-devel-4.2.10-7.el7_2.ppc64le.rpm
samba-dc-4.2.10-7.el7_2.ppc64le.rpm
samba-dc-libs-4.2.10-7.el7_2.ppc64le.rpm
samba-debuginfo-4.2.10-7.el7_2.ppc64le.rpm
samba-devel-4.2.10-7.el7_2.ppc64le.rpm
samba-python-4.2.10-7.el7_2.ppc64le.rpm
samba-test-4.2.10-7.el7_2.ppc64le.rpm
samba-test-devel-4.2.10-7.el7_2.ppc64le.rpm
samba-test-libs-4.2.10-7.el7_2.ppc64le.rpm
samba-winbind-krb5-locator-4.2.10-7.el7_2.ppc64le.rpm
s390x:
libsmbclient-devel-4.2.10-7.el7_2.s390.rpm
libsmbclient-devel-4.2.10-7.el7_2.s390x.rpm
libwbclient-devel-4.2.10-7.el7_2.s390.rpm
libwbclient-devel-4.2.10-7.el7_2.s390x.rpm
samba-dc-4.2.10-7.el7_2.s390x.rpm
samba-dc-libs-4.2.10-7.el7_2.s390x.rpm
samba-debuginfo-4.2.10-7.el7_2.s390.rpm
samba-debuginfo-4.2.10-7.el7_2.s390x.rpm
samba-devel-4.2.10-7.el7_2.s390.rpm
samba-devel-4.2.10-7.el7_2.s390x.rpm
samba-python-4.2.10-7.el7_2.s390x.rpm
samba-test-4.2.10-7.el7_2.s390x.rpm
samba-test-devel-4.2.10-7.el7_2.s390x.rpm
samba-test-libs-4.2.10-7.el7_2.s390.rpm
samba-test-libs-4.2.10-7.el7_2.s390x.rpm
samba-winbind-krb5-locator-4.2.10-7.el7_2.s390x.rpm
x86_64:
libsmbclient-devel-4.2.10-7.el7_2.i686.rpm
libsmbclient-devel-4.2.10-7.el7_2.x86_64.rpm
libwbclient-devel-4.2.10-7.el7_2.i686.rpm
libwbclient-devel-4.2.10-7.el7_2.x86_64.rpm
samba-dc-4.2.10-7.el7_2.x86_64.rpm
samba-dc-libs-4.2.10-7.el7_2.x86_64.rpm
samba-debuginfo-4.2.10-7.el7_2.i686.rpm
samba-debuginfo-4.2.10-7.el7_2.x86_64.rpm
samba-devel-4.2.10-7.el7_2.i686.rpm
samba-devel-4.2.10-7.el7_2.x86_64.rpm
samba-test-4.2.10-7.el7_2.x86_64.rpm
samba-test-devel-4.2.10-7.el7_2.x86_64.rpm
samba-test-libs-4.2.10-7.el7_2.i686.rpm
samba-test-libs-4.2.10-7.el7_2.x86_64.rpm
samba-vfs-glusterfs-4.2.10-7.el7_2.x86_64.rpm
samba-winbind-krb5-locator-4.2.10-7.el7_2.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
samba-4.2.10-7.el7_2.src.rpm
noarch:
samba-common-4.2.10-7.el7_2.noarch.rpm
x86_64:
libsmbclient-4.2.10-7.el7_2.i686.rpm
libsmbclient-4.2.10-7.el7_2.x86_64.rpm
libwbclient-4.2.10-7.el7_2.i686.rpm
libwbclient-4.2.10-7.el7_2.x86_64.rpm
samba-4.2.10-7.el7_2.x86_64.rpm
samba-client-4.2.10-7.el7_2.x86_64.rpm
samba-client-libs-4.2.10-7.el7_2.i686.rpm
samba-client-libs-4.2.10-7.el7_2.x86_64.rpm
samba-common-libs-4.2.10-7.el7_2.x86_64.rpm
samba-common-tools-4.2.10-7.el7_2.x86_64.rpm
samba-debuginfo-4.2.10-7.el7_2.i686.rpm
samba-debuginfo-4.2.10-7.el7_2.x86_64.rpm
samba-libs-4.2.10-7.el7_2.i686.rpm
samba-libs-4.2.10-7.el7_2.x86_64.rpm
samba-python-4.2.10-7.el7_2.x86_64.rpm
samba-winbind-4.2.10-7.el7_2.x86_64.rpm
samba-winbind-clients-4.2.10-7.el7_2.x86_64.rpm
samba-winbind-modules-4.2.10-7.el7_2.i686.rpm
samba-winbind-modules-4.2.10-7.el7_2.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
noarch:
samba-pidl-4.2.10-7.el7_2.noarch.rpm
x86_64:
libsmbclient-devel-4.2.10-7.el7_2.i686.rpm
libsmbclient-devel-4.2.10-7.el7_2.x86_64.rpm
libwbclient-devel-4.2.10-7.el7_2.i686.rpm
libwbclient-devel-4.2.10-7.el7_2.x86_64.rpm
samba-dc-4.2.10-7.el7_2.x86_64.rpm
samba-dc-libs-4.2.10-7.el7_2.x86_64.rpm
samba-debuginfo-4.2.10-7.el7_2.i686.rpm
samba-debuginfo-4.2.10-7.el7_2.x86_64.rpm
samba-devel-4.2.10-7.el7_2.i686.rpm
samba-devel-4.2.10-7.el7_2.x86_64.rpm
samba-test-4.2.10-7.el7_2.x86_64.rpm
samba-test-devel-4.2.10-7.el7_2.x86_64.rpm
samba-test-libs-4.2.10-7.el7_2.i686.rpm
samba-test-libs-4.2.10-7.el7_2.x86_64.rpm
samba-vfs-glusterfs-4.2.10-7.el7_2.x86_64.rpm
samba-winbind-krb5-locator-4.2.10-7.el7_2.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-2016-2119
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2016 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
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Hash: SHA1
=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: samba4 security update
Advisory ID: RHSA-2016:1487-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-1487.html
Issue date: 2016-07-26
CVE Names: CVE-2016-2119
=====================================================================
1. Summary:
An update for samba4 is now available for Red Hat Enterprise Linux 6.
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 Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
3. Description:
Samba is an open-source implementation of the Server Message Block (SMB) or
Common Internet File System (CIFS) protocol, which allows PC-compatible
machines to share files, printers, and other information.
Security Fix(es):
* A flaw was found in the way Samba initiated signed DCE/RPC connections. A
man-in-the-middle attacker could use this flaw to downgrade the connection
to not use signing and therefore impersonate the server. (CVE-2016-2119)
Red Hat would like to thank the Samba project for reporting this issue.
Upstream acknowledges Stefan Metzmacher as the original reporter.
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/):
1351955 - CVE-2016-2119 samba: Client side SMB2/3 required signing can be downgraded
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source:
samba4-4.2.10-7.el6_8.src.rpm
i386:
samba4-4.2.10-7.el6_8.i686.rpm
samba4-client-4.2.10-7.el6_8.i686.rpm
samba4-common-4.2.10-7.el6_8.i686.rpm
samba4-dc-4.2.10-7.el6_8.i686.rpm
samba4-dc-libs-4.2.10-7.el6_8.i686.rpm
samba4-debuginfo-4.2.10-7.el6_8.i686.rpm
samba4-devel-4.2.10-7.el6_8.i686.rpm
samba4-libs-4.2.10-7.el6_8.i686.rpm
samba4-pidl-4.2.10-7.el6_8.i686.rpm
samba4-python-4.2.10-7.el6_8.i686.rpm
samba4-test-4.2.10-7.el6_8.i686.rpm
samba4-winbind-4.2.10-7.el6_8.i686.rpm
samba4-winbind-clients-4.2.10-7.el6_8.i686.rpm
samba4-winbind-krb5-locator-4.2.10-7.el6_8.i686.rpm
x86_64:
samba4-4.2.10-7.el6_8.x86_64.rpm
samba4-client-4.2.10-7.el6_8.x86_64.rpm
samba4-common-4.2.10-7.el6_8.x86_64.rpm
samba4-dc-4.2.10-7.el6_8.x86_64.rpm
samba4-dc-libs-4.2.10-7.el6_8.x86_64.rpm
samba4-debuginfo-4.2.10-7.el6_8.x86_64.rpm
samba4-devel-4.2.10-7.el6_8.x86_64.rpm
samba4-libs-4.2.10-7.el6_8.x86_64.rpm
samba4-pidl-4.2.10-7.el6_8.x86_64.rpm
samba4-python-4.2.10-7.el6_8.x86_64.rpm
samba4-test-4.2.10-7.el6_8.x86_64.rpm
samba4-winbind-4.2.10-7.el6_8.x86_64.rpm
samba4-winbind-clients-4.2.10-7.el6_8.x86_64.rpm
samba4-winbind-krb5-locator-4.2.10-7.el6_8.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source:
samba4-4.2.10-7.el6_8.src.rpm
x86_64:
samba4-4.2.10-7.el6_8.x86_64.rpm
samba4-client-4.2.10-7.el6_8.x86_64.rpm
samba4-common-4.2.10-7.el6_8.x86_64.rpm
samba4-dc-4.2.10-7.el6_8.x86_64.rpm
samba4-dc-libs-4.2.10-7.el6_8.x86_64.rpm
samba4-debuginfo-4.2.10-7.el6_8.x86_64.rpm
samba4-devel-4.2.10-7.el6_8.x86_64.rpm
samba4-libs-4.2.10-7.el6_8.x86_64.rpm
samba4-pidl-4.2.10-7.el6_8.x86_64.rpm
samba4-python-4.2.10-7.el6_8.x86_64.rpm
samba4-test-4.2.10-7.el6_8.x86_64.rpm
samba4-winbind-4.2.10-7.el6_8.x86_64.rpm
samba4-winbind-clients-4.2.10-7.el6_8.x86_64.rpm
samba4-winbind-krb5-locator-4.2.10-7.el6_8.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
samba4-4.2.10-7.el6_8.src.rpm
i386:
samba4-4.2.10-7.el6_8.i686.rpm
samba4-client-4.2.10-7.el6_8.i686.rpm
samba4-common-4.2.10-7.el6_8.i686.rpm
samba4-dc-4.2.10-7.el6_8.i686.rpm
samba4-dc-libs-4.2.10-7.el6_8.i686.rpm
samba4-debuginfo-4.2.10-7.el6_8.i686.rpm
samba4-devel-4.2.10-7.el6_8.i686.rpm
samba4-libs-4.2.10-7.el6_8.i686.rpm
samba4-pidl-4.2.10-7.el6_8.i686.rpm
samba4-python-4.2.10-7.el6_8.i686.rpm
samba4-test-4.2.10-7.el6_8.i686.rpm
samba4-winbind-4.2.10-7.el6_8.i686.rpm
samba4-winbind-clients-4.2.10-7.el6_8.i686.rpm
samba4-winbind-krb5-locator-4.2.10-7.el6_8.i686.rpm
ppc64:
samba4-4.2.10-7.el6_8.ppc64.rpm
samba4-client-4.2.10-7.el6_8.ppc64.rpm
samba4-common-4.2.10-7.el6_8.ppc64.rpm
samba4-dc-4.2.10-7.el6_8.ppc64.rpm
samba4-dc-libs-4.2.10-7.el6_8.ppc64.rpm
samba4-debuginfo-4.2.10-7.el6_8.ppc64.rpm
samba4-devel-4.2.10-7.el6_8.ppc64.rpm
samba4-libs-4.2.10-7.el6_8.ppc64.rpm
samba4-pidl-4.2.10-7.el6_8.ppc64.rpm
samba4-python-4.2.10-7.el6_8.ppc64.rpm
samba4-test-4.2.10-7.el6_8.ppc64.rpm
samba4-winbind-4.2.10-7.el6_8.ppc64.rpm
samba4-winbind-clients-4.2.10-7.el6_8.ppc64.rpm
samba4-winbind-krb5-locator-4.2.10-7.el6_8.ppc64.rpm
s390x:
samba4-4.2.10-7.el6_8.s390x.rpm
samba4-client-4.2.10-7.el6_8.s390x.rpm
samba4-common-4.2.10-7.el6_8.s390x.rpm
samba4-dc-4.2.10-7.el6_8.s390x.rpm
samba4-dc-libs-4.2.10-7.el6_8.s390x.rpm
samba4-debuginfo-4.2.10-7.el6_8.s390x.rpm
samba4-devel-4.2.10-7.el6_8.s390x.rpm
samba4-libs-4.2.10-7.el6_8.s390x.rpm
samba4-pidl-4.2.10-7.el6_8.s390x.rpm
samba4-python-4.2.10-7.el6_8.s390x.rpm
samba4-test-4.2.10-7.el6_8.s390x.rpm
samba4-winbind-4.2.10-7.el6_8.s390x.rpm
samba4-winbind-clients-4.2.10-7.el6_8.s390x.rpm
samba4-winbind-krb5-locator-4.2.10-7.el6_8.s390x.rpm
x86_64:
samba4-4.2.10-7.el6_8.x86_64.rpm
samba4-client-4.2.10-7.el6_8.x86_64.rpm
samba4-common-4.2.10-7.el6_8.x86_64.rpm
samba4-dc-4.2.10-7.el6_8.x86_64.rpm
samba4-dc-libs-4.2.10-7.el6_8.x86_64.rpm
samba4-debuginfo-4.2.10-7.el6_8.x86_64.rpm
samba4-devel-4.2.10-7.el6_8.x86_64.rpm
samba4-libs-4.2.10-7.el6_8.x86_64.rpm
samba4-pidl-4.2.10-7.el6_8.x86_64.rpm
samba4-python-4.2.10-7.el6_8.x86_64.rpm
samba4-test-4.2.10-7.el6_8.x86_64.rpm
samba4-winbind-4.2.10-7.el6_8.x86_64.rpm
samba4-winbind-clients-4.2.10-7.el6_8.x86_64.rpm
samba4-winbind-krb5-locator-4.2.10-7.el6_8.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
samba4-4.2.10-7.el6_8.src.rpm
i386:
samba4-4.2.10-7.el6_8.i686.rpm
samba4-client-4.2.10-7.el6_8.i686.rpm
samba4-common-4.2.10-7.el6_8.i686.rpm
samba4-dc-4.2.10-7.el6_8.i686.rpm
samba4-dc-libs-4.2.10-7.el6_8.i686.rpm
samba4-debuginfo-4.2.10-7.el6_8.i686.rpm
samba4-devel-4.2.10-7.el6_8.i686.rpm
samba4-libs-4.2.10-7.el6_8.i686.rpm
samba4-pidl-4.2.10-7.el6_8.i686.rpm
samba4-python-4.2.10-7.el6_8.i686.rpm
samba4-test-4.2.10-7.el6_8.i686.rpm
samba4-winbind-4.2.10-7.el6_8.i686.rpm
samba4-winbind-clients-4.2.10-7.el6_8.i686.rpm
samba4-winbind-krb5-locator-4.2.10-7.el6_8.i686.rpm
x86_64:
samba4-4.2.10-7.el6_8.x86_64.rpm
samba4-client-4.2.10-7.el6_8.x86_64.rpm
samba4-common-4.2.10-7.el6_8.x86_64.rpm
samba4-dc-4.2.10-7.el6_8.x86_64.rpm
samba4-dc-libs-4.2.10-7.el6_8.x86_64.rpm
samba4-debuginfo-4.2.10-7.el6_8.x86_64.rpm
samba4-devel-4.2.10-7.el6_8.x86_64.rpm
samba4-libs-4.2.10-7.el6_8.x86_64.rpm
samba4-pidl-4.2.10-7.el6_8.x86_64.rpm
samba4-python-4.2.10-7.el6_8.x86_64.rpm
samba4-test-4.2.10-7.el6_8.x86_64.rpm
samba4-winbind-4.2.10-7.el6_8.x86_64.rpm
samba4-winbind-clients-4.2.10-7.el6_8.x86_64.rpm
samba4-winbind-krb5-locator-4.2.10-7.el6_8.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-2016-2119
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2016 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
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- -----END PGP SIGNATURE-----
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Hash: SHA1
=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: samba security update
Advisory ID: RHSA-2016:1494-01
Product: Red Hat Gluster Storage
Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-1494.html
Issue date: 2016-07-26
CVE Names: CVE-2016-2119
=====================================================================
1. Summary:
An update for samba is now available for Red Hat Gluster Storage 3.1 for
RHEL 6 and Red Hat Gluster Storage 3.1 for RHEL 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 Samba on RHEL-6 - noarch, x86_64
Red Hat Gluster 3 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
allow PC-compatible machines to share files, printers, and various
information.
Security Fix(es):
* A flaw was found in the way Samba initiated signed DCE/RPC connections. A
man-in-the-middle attacker could use this flaw to downgrade the connection
to not use signing and therefore impersonate the server. (CVE-2016-2119)
Red Hat would like to thank the Samba project for reporting this issue.
Upstream acknowledges Stefan Metzmacher as the original reporter.
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/):
1351955 - CVE-2016-2119 samba: Client side SMB2/3 required signing can be downgraded
6. Package List:
Red Hat Gluster 3 Samba on RHEL-6:
Source:
samba-4.4.3-8.el6rhs.src.rpm
noarch:
samba-common-4.4.3-8.el6rhs.noarch.rpm
samba-pidl-4.4.3-8.el6rhs.noarch.rpm
x86_64:
ctdb-4.4.3-8.el6rhs.x86_64.rpm
ctdb-tests-4.4.3-8.el6rhs.x86_64.rpm
libsmbclient-4.4.3-8.el6rhs.x86_64.rpm
libsmbclient-devel-4.4.3-8.el6rhs.x86_64.rpm
libwbclient-4.4.3-8.el6rhs.x86_64.rpm
libwbclient-devel-4.4.3-8.el6rhs.x86_64.rpm
samba-4.4.3-8.el6rhs.x86_64.rpm
samba-client-4.4.3-8.el6rhs.x86_64.rpm
samba-client-libs-4.4.3-8.el6rhs.x86_64.rpm
samba-common-libs-4.4.3-8.el6rhs.x86_64.rpm
samba-common-tools-4.4.3-8.el6rhs.x86_64.rpm
samba-dc-4.4.3-8.el6rhs.x86_64.rpm
samba-dc-libs-4.4.3-8.el6rhs.x86_64.rpm
samba-debuginfo-4.4.3-8.el6rhs.x86_64.rpm
samba-devel-4.4.3-8.el6rhs.x86_64.rpm
samba-libs-4.4.3-8.el6rhs.x86_64.rpm
samba-python-4.4.3-8.el6rhs.x86_64.rpm
samba-test-4.4.3-8.el6rhs.x86_64.rpm
samba-test-libs-4.4.3-8.el6rhs.x86_64.rpm
samba-vfs-glusterfs-4.4.3-8.el6rhs.x86_64.rpm
samba-winbind-4.4.3-8.el6rhs.x86_64.rpm
samba-winbind-clients-4.4.3-8.el6rhs.x86_64.rpm
samba-winbind-krb5-locator-4.4.3-8.el6rhs.x86_64.rpm
samba-winbind-modules-4.4.3-8.el6rhs.x86_64.rpm
Red Hat Gluster 3 Samba on RHEL-7:
Source:
samba-4.4.3-8.el7rhgs.src.rpm
noarch:
samba-common-4.4.3-8.el7rhgs.noarch.rpm
samba-pidl-4.4.3-8.el7rhgs.noarch.rpm
x86_64:
ctdb-4.4.3-8.el7rhgs.x86_64.rpm
ctdb-tests-4.4.3-8.el7rhgs.x86_64.rpm
libsmbclient-4.4.3-8.el7rhgs.x86_64.rpm
libsmbclient-devel-4.4.3-8.el7rhgs.x86_64.rpm
libwbclient-4.4.3-8.el7rhgs.x86_64.rpm
libwbclient-devel-4.4.3-8.el7rhgs.x86_64.rpm
samba-4.4.3-8.el7rhgs.x86_64.rpm
samba-client-4.4.3-8.el7rhgs.x86_64.rpm
samba-client-libs-4.4.3-8.el7rhgs.x86_64.rpm
samba-common-libs-4.4.3-8.el7rhgs.x86_64.rpm
samba-common-tools-4.4.3-8.el7rhgs.x86_64.rpm
samba-dc-4.4.3-8.el7rhgs.x86_64.rpm
samba-dc-libs-4.4.3-8.el7rhgs.x86_64.rpm
samba-debuginfo-4.4.3-8.el7rhgs.x86_64.rpm
samba-devel-4.4.3-8.el7rhgs.x86_64.rpm
samba-libs-4.4.3-8.el7rhgs.x86_64.rpm
samba-python-4.4.3-8.el7rhgs.x86_64.rpm
samba-test-4.4.3-8.el7rhgs.x86_64.rpm
samba-test-libs-4.4.3-8.el7rhgs.x86_64.rpm
samba-vfs-glusterfs-4.4.3-8.el7rhgs.x86_64.rpm
samba-winbind-4.4.3-8.el7rhgs.x86_64.rpm
samba-winbind-clients-4.4.3-8.el7rhgs.x86_64.rpm
samba-winbind-krb5-locator-4.4.3-8.el7rhgs.x86_64.rpm
samba-winbind-modules-4.4.3-8.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-2016-2119
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2016 Red Hat, Inc.
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- --------------------------END INCLUDED TEXT--------------------
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