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

Security Bulletin

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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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Tips

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