ESB-2017.2125 - [Appliance] IBM Netezza Host Management: Denial of service - Existing account 2017-08-24

Printable version
PGP/GPG verifiable version

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2125
         Security Bulletin: Multiple vulnerabilities in OpenSource
                  NTP affects IBM Netezza Host Management
                              24 August 2017

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

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

Product:           IBM Netezza Host Management
Publisher:         IBM
Operating System:  Network Appliance
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-6464 CVE-2017-6463 CVE-2017-6462

Reference:         ESB-2017.1681
                   ESB-2017.1355
                   ESB-2017.0973
                   ESB-2017.0947

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22002233

- --------------------------BEGIN INCLUDED TEXT--------------------

Security Bulletin: Multiple vulnerabilities in OpenSource NTP affects IBM 
Netezza Host Management

Security Bulletin

Document information

More support for: PureData System for Analytics

Host

Software version: 1.0.0

Operating system(s): Platform Independent

Software edition: All Editions

Reference #: 2002233

Modified date: 23 August 2017

Summary

OpenSource NTP is used by IBM Netezza Host Management. IBM Netezza Host 
Management has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2017-6462

DESCRIPTION: NTP is vulnerable to a denial of service, caused by a buffer 
overflow in the legacy Datum Programmable Time Server refclock driver. By 
sending specially crafted packets, a local authenticated attacker could 
exploit this vulnerability to overflow a buffer and cause a denial of service.

CVSS Base Score: 1.6

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/123611 for the current 
score

CVSS Environmental Score*: Undefined

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

CVEID: CVE-2017-6463

DESCRIPTION: NTP is vulnerable to a denial of service. By sending an invalid 
setting, a remote authenticated attacker could exploit this vulnerability 
using the :config directive to cause the daemon to crash.

CVSS Base Score: 4.2

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/123612 for the current 
score

CVSS Environmental Score*: Undefined

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

CVEID: CVE-2017-6464

DESCRIPTION: NTP is vulnerable to a denial of service. A remote authenticated
attacker could exploit this vulnerability using a malformed mode configuration
directive to cause the application to crash.

CVSS Base Score: 4.2

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/123610 for the current 
score

CVSS Environmental Score*: Undefined

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

Affected Products and Versions

IBM Netezza Host Management 5.3.3.0 - 5.3.10.1

IBM Netezza Host Management 5.4.1.0 - 5.4.14.0

Remediation/Fixes

None

Workarounds and Mitigations

Mitigation of the reported CVE applies to the following platforms: PureData 
System for Analytics N3001

PureData System for Analytics N200x

PureData System for Analytics N1001

IBM Netezza High Capacity Appliance C1000

IBM Netezza 1000

IBM Netezza 100

Execute below steps using "root" user on both ha1/ha2 hosts

Step 1. Check if NTP is installed in the host

[host1]#rpm -qa | grep ntp

Step 2. Properly monitor your ntpd instances using command

[host1]# service ntpd status

Step 3. If NTPD services has stopped running, restart the NTP services without
- -g option

[host1]# /etc/init.d/ntpd restart

For more details on IBM Netezza Host Management security patching:

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

References

Complete CVSS v3 Guide

On-line Calculator v3

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

23 Aug 2017: Original version published

*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.

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        http://www.auscert.org.au/render.html?cid=1980

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=uN4v
-----END PGP SIGNATURE-----

« Back to bulletins