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             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.1950
     Security Bulletin: IBM Netezza SQL Extensions is vulnerable to an
       OpenSource PCRE Vulnerability (CVE-2016-1283, CVE-2016-3191)
                              11 August 2016

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

Product:           IBM Netezza SQL Extensions
Publisher:         IBM
Operating System:  Network Appliance
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-3191 CVE-2016-1283 

Reference:         ESB-2016.0255

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21985982

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Security Bulletin: IBM Netezza SQL Extensions is vulnerable to an OpenSource
PCRE Vulnerability (CVE-2016-1283, CVE-2016-3191)

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 #:

1985982

Modified date:

2016-08-10

Summary

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

Vulnerability Details

CVEID:

CVE-2016-1283

DESCRIPTION:

PCRE is vulnerable to a heap-based buffer overflow, caused by the improper
handling of patterns by the pcre_compile2() function. By using a specially
crafted regular expression, a remote attacker could overflow a buffer and
execute arbitrary code on the system or cause the application to crash.

CVSS Base Score: 7.3

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/109363

for the current score

CVSS Environmental Score*: Undefined

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

CVEID:

CVE-2016-3191

DESCRIPTION:

PCRE and PCRE2 are vulnerable to a stack-based buffer overflow, caused by the
improper handling of the (*ACCEPT) substring by the compile_branch function
in pcre_compile.c. By using a specially-crafted regular expression, a remote
attacker could overflow a buffer and execute arbitrary code on the system or
cause the application to crash.

CVSS Base Score: 7.3

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/111583

for the current score

CVSS Environmental Score*: Undefined

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

Affected Products and Versions

IBM Netezza SQL Extensions Toolkit 7.2.1.1 (and prior releases)

Remediation/Fixes

IBM Netezza SQL Extensions Toolkit    7.2.1.3    https://www-945.ibm.com/support/fixcentral/swg/doSelectFixes?options.selectedFixes=7.2.1.3-IM-Netezza-SQLEXT-fp110503&continue=1

Workarounds and Mitigations

None

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to be notified of important product support alerts like this.

References

Complete CVSS v3 Guide

On-line Calculator v3

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

2 August 2016: 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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