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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
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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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