ESB-2017.2524 - [Appliance] IBM Netezza SQL Extensions: Denial of service - Remote with user interaction 2017-10-06

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2524
        Security Bulletin: Multiple Vulnerabilities in Open Source
                  zlib affect IBM Netezza SQL Extensions
                              6 October 2017

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

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

Product:           IBM Netezza SQL Extensions
Publisher:         IBM
Operating System:  Network Appliance
Impact/Access:     Denial of Service -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-9843 CVE-2016-9842 CVE-2016-9841
                   CVE-2016-9840  

Reference:         ESB-2017.2425
                   ESB-2017.2397.2
                   ESB-2017.2396.2
                   ESB-2017.2387
                   ESB-2017.2372.2

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22001212

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Security Bulletin: Multiple Vulnerabilities in Open Source zlib affect IBM
Netezza SQL Extensions

Security Bulletin

Document information

More support for:
PureData System for Analytics

Software version:
1.0.0

Operating system(s):
Platform Independent

Software edition:
All Editions

Reference #:
2001212

Modified date:
05 October 2017

Summary

Open Source zlib is used by IBM Netezza SQL Extensions. IBM Netezza SQL
Extensions has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2016-9840
DESCRIPTION:
zlib is vulnerable to a denial of service, caused by an out-of-bounds pointer
arithmetic in inftrees.c. By persuading a victim to open a specially crafted
document, a remote attacker could exploit this vulnerability to cause a
denial of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/120508
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2016-9841
DESCRIPTION:
zlib is vulnerable to a denial of service, caused by an out-of-bounds pointer
arithmetic in inftrees.c. By persuading a victim to open a specially crafted
document, a remote attacker could exploit this vulnerability to cause a
denial of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/120509
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2016-9842
DESCRIPTION:
zlib is vulnerable to a denial of service, caused by an undefined left shift
of negative number. By persuading a victim to open a specially crafted
document, a remote attacker could exploit this vulnerability to cause a
denial of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/120510
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2016-9843
DESCRIPTION:
zlib is vulnerable to a denial of service, caused by a big-endian out-of-
bounds pointer. By persuading a victim to open a specially crafted document,
a remote attacker could exploit this vulnerability to cause a denial of
service.
CVSS Base Score: 3.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/120511
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM Netezza SQL Extensions 1.5.0.0 - 7.2.1.3

Remediation/Fixes

To resolve the reported CVEs for IBM Netezza SQL Extensions, please upgrade
to the following version:

Product				VRMF		Remediation/First Fix
IBM Netezza SQL Extensions	7.2.1.4		Link to Fix Central

Workarounds and Mitigations

None

References

Complete CVSS v3 Guide
On-line Calculator v3

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

05 Oct 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.

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