Security Bulletin: IBM® Db2® LUW on AIX and Linux Affected by a Vulnerability in IBM® Spectrum Scale (CVE-2019-4558)

Security Bulletin

Summary

Db2 LUW is affected by a vulnerability in IBM® Spectrum Scale Version 5.0.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-2019-4558
DESCRIPTION: A security vulnerability has been identified in all levels of IBM Spectrum Scale V5.0.0.0 through V5.0.3.2 and IBM Spectrum Scale V4.2.0.0 through V4.2.3.17 that could allow a local attacker to obtain root privilege by injecting parameters into setuid files.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/166282 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

All fix pack levels of IBM Db2 V11.1 and V11.5 editions running on AIX and Linux are affected, and only for those customers who have Db2® pureScale™ Feature installed.

IBM Db2 V10.5 is not affected

Remediation/Fixes

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

FIX:

Customers running any vulnerable fix pack level of an affected Program, V11.1 and 11.5, 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
11.1	4.2.3.17 eFix 1
11.5	5.0.2.3 eFix 35

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

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

09 Jan 2020: Initial Publication

*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.

Document Location

Worldwide

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Tips

Security Bulletin: IBM® Db2® LUW on AIX and Linux Affected by a Vulnerability in IBM® Spectrum Scale (CVE-2019-4558)