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Security Bulletin: IBM® Db2® LUW on AIX and Linux Affected by a Vulnerability in IBM® Spectrum Scale (CVE-2018-1723).

Security Bulletin


Summary

Db2 LUW is affected by a vulnerability in IBM® Spectrum Scale Version 4.1.x and 4.2.x that is used by DB2® pureScale™ Feature on AIX and Linux. IBM Spectrum Scale is previously known as General Parallel File System (GPFS).

Vulnerability Details

CVEID: CVE-2018-1723
DESCRIPTION: IBM Spectrum Scale could allow a GPFS command line utility allows an unprivileged, authenticated user with access to a GPFS node to read arbitrary files available on this node.
CVSS Base Score: 6.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/147373 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

All fix pack levels of IBM DB2 V10.5 and V11.1.1 editions running on AIX and Linux are affected, and only for those customers who have DB2® pureScale™ Feature installed.

Remediation/Fixes

The recommended solution is to apply the appropriate fix for this vulnerability.

FIX:

The fix for DB2 V11.1 is in V11.1.4.4, available for download from Fix Central.

Customers running any vulnerable fixpack level of an affected Program, V10.5, can contact IBM technical support to obtain the GPFS eFix. Before installing the GPFS eFix, the DB2 level might need to be upgraded to the level that includes the supported GPFS level. Do not attempt to upgrade GPFS by any other means. The table below lists the DB2 releases, the prerequisite that needs to be installed first and the GPFS efix to request from IBM technical support.

DB2 Release Obtain following GPFS efix from IBM technical support
10.5 4.1.1.17 efix 8

The GPFS efix install instructions are available here:http://www-01.ibm.com/support/docview.wss?uid=swg27048484

Contact Technical Support:

In the United States and Canada dial 1-800-IBM-SERV
View the support contacts for other countries outside of the United States.
Electronically open a Service Request with DB2 Technical Support.

Workarounds and Mitigations

None.

Get Notified about Future Security Bulletins

Reference

Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

November 27, 2018: 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.

Document information

More support for: DB2 for Linux, UNIX and Windows

Software version: 10.5, 11.1

Operating system(s): AIX, Linux

Software edition: Advanced Enterprise Server, Advanced Workgroup Server, Enterprise Server, Express, Express-C, Person

Reference #: 0734067

Modified date: 27 November 2018