Operating System:

[Appliance]

Published:

16 February 2016

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.0366
         IBM Netezza SQL Extensions is vulnerable to an OpenSource
                            PCRE Vulnerability
                             16 February 2016

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

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

Product:           IBM Netezza
Publisher:         IBM
Operating System:  Network Appliance
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
                   Access Confidential Data        -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-8391 CVE-2015-8382 CVE-2015-8380

Reference:         ESB-2016.0300
                   ESB-2016.0255

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21976124

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Security Bulletin: IBM Netezza SQL Extensions is vulnerable to an OpenSource
PCRE Vulnerability (CVE-2015-8380, CVE-2015-8382, CVE-2015-8391)

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 #:

1976124

Modified date:

2016-02-08

Summary

The PCRE pcre_exec buffer overflow vulnerabilities affect IBM Netezza SQL
Extensions Toolkit.

Vulnerability Details

CVEID:

CVE-2015-8380

DESCRIPTION:

PCRE is vulnerable to a heap-based buffer overflow, caused by the improper
handling of a pattern with a \01 string by the pcre_exec 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: 7.300

CVSS Temporal Score:

https://exchange.xforce.ibmcloud.com/vulnerabilities/108467

for more information

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-2015-8382

Description:

PCRE could allow a remote attacker to obtain sensitive information, caused by
the mishandling of the pattern and related patterns involving (*ACCEPT) by
the match function. An attacker could exploit this vulnerability using a
specially crafted regular expression to obtain sensitive information or cause
a denial of service.

CVSS Base Score: 6.500

CVSS Temporal Score:

https://exchange.xforce.ibmcloud.com/vulnerabilities/108465

for more information

CVSS Environmental Score*: Undefined

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

CVEID:

CVE-2015-8391

Description: PCRE could allow a remote attacker to execute arbitrary code on
the system, caused by the mishandling of certain nesting by the pcre_compile
function. An attacker could exploit this vulnerability using a specially
crafted regular expression to execute arbitrary code on the system or cause a
denial of service.

CVSS Base Score: 7.300

CVSS Temporal Score:

https://exchange.xforce.ibmcloud.com/vulnerabilities/108456

for more information

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 7.2.1.0 (and prior releases)

Remediation/Fixes

IBM Netezza SQL Extensions Toolkit    7.2.1.1    Link to IBM Fix Central

Workarounds and Mitigations

None

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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

8 February 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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