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             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.2802
        Security Bulletin: Multiple vulnerabilities in Samba, BIND
             and Libreswan affect IBM Netezza Host Management
                             24 November 2016

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Netezza Host Management
Publisher:         IBM
Operating System:  Network Appliance
Impact/Access:     Access Privileged Data         -- Remote with User Interaction
                   Denial of Service              -- Remote/Unauthenticated      
                   Provide Misleading Information -- Remote with User Interaction
                   Reduced Security               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-3071 CVE-2016-2848 CVE-2016-2428
                   CVE-2016-2119  

Reference:         ESB-2016.2485
                   ESB-2016.2460
                   ESB-2016.2457
                   ESB-2016.1897
                   ESB-2016.1817
                   ESB-2016.1071

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21994231

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Security Bulletin: Multiple vulnerabilities in Samba, BIND and Libreswan 
affect IBM Netezza Host Management

Document information

More support for: PureData System for Analytics

Host

Software version: 1.0.0

Operating system(s): Platform Independent

Software edition: Enterprise

Reference #: 1994231

Modified date: 23 November 2016

Security Bulletin

Summary

Samba, BIND and Libreswan are used by IBM Netezza Host Management. IBM Netezza
Host Management has addressed the applicable CVEs.

Vulnerability Details

CVE-2016-2119

=====================================================================

== Subject: Client side SMB2/3 required signing can be downgraded

==

== CVE ID#: CVE-2016-2119

==

== Versions: Samba 4.0.0 to 4.4.4

==

== Summary: Even if effective value for "client signing" or

== "client ipc signing" are "mandatory" it is possible

== for an attacker to silently disable the signing checks

== in the client code, if a protocol >= SMB 2.0 is used.

==

===========================================================

CVE-ID: CVE-2016-2848

Description: ISC BIND is vulnerable to a denial of service. By sending a 
specially crafted DNS packet with malformed options, a remote attacker could 
exploit this vulnerability to trigger an assertion failure.

CVSS Base Score: 7.500

CVSS Temporal Score: 
https://exchange.xforce.ibmcloud.com/vulnerabilities/118228 for more 
information

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVE-ID: CVE-2016-3071

Description: Libreswan is vulnerable to a denial of service, caused by an 
error in IKEv2 aes_xcbc transform. By sending a specially-crafted IKE packet,
a remote attacker could exploit this vulnerability to cause the IKE daemon to
crash and restart.

CVSS Base Score: 5.300

CVSS Temporal Score: 
https://exchange.xforce.ibmcloud.com/vulnerabilities/112389 for more 
information

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Affected Version 						CVE

IBM Netezza Host Management 5.4.6.0 (and prior releases) 	CVE-2016-3071

								CVE-2016-2119

								CVE-2016-2428

Remediation/Fixes

To resolve the reported CVEs for Red Hat Enterprise Linux (RHEL), and for the
most-up-to-date software for the Netezza host operating system, update to the
latest IBM Netezza Host Management release:

Product 			VRMF 		Remediation/First Fix

IBM Netezza Host Management 	5.4.7.0 	Link to Fix Central

The Netezza Host Management software contains the latest RHEL updates for the
operating systems certified for use on IBM Netezza/PureData System for 
Analytics appliances. IBM recommends upgrading to the latest Netezza Host 
Management version to ensure that your hosts have the latest fixes, security 
changes, and operating system updates. IBM Support can assist you with 
planning for the Netezza Host Management and operating system upgrades to your
appliances.

For more details on IBM Netezza Host Management security patching:

Red Hat Enterprise Linux (RHEL) Security Patching for IBM PureData System for
Analytics appliances

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support 
alerts like this.

References

Complete CVSS v2 Guide

On-line Calculator v2

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

*The CVSS Environment Score is customer environment specific and will 
ultimately impact the Overall CVSS Score. Customers can evaluate the impact of
this vulnerability in their environments by accessing the links in the 
Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the 
Common Vulnerability Scoring System (CVSS) is an "industry open standard 
designed to convey vulnerability severity and help to determine urgency and 
priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY 
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT 
OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

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