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Security Bulletin: IBM® Db2® is vulnerable to information disclosure (CVE-2019-4438)

Security Bulletin


Summary

Db2 does not enforce required authorization for certain commands which may lead to information exposure to connected users if the database configuration parameter AUTO_REVAL has been set to DEFERRED_FORCE.

Vulnerability Details

CVEID:   CVE-2019-4438
DESCRIPTION:   IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) does not enforce required authorization for certain commands which may lead to information exposure to connected users if the database configuration parameter AUTO_REVAL has been set to DEFERRED_FORCE.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/162948 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

All fix pack levels of IBM Db2 V11.1 edition on all platforms are affected. Db2 versions V9.7, V10.1, V10.5 and V11.5 are not affected.

Remediation/Fixes

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

FIX:

The fix for DB2 V11.1 is in V11.1.4.5, available for download from Fix Central: http://www.ibm.com/support/docview.wss?uid=ibm11115973.
 

Release Fixed in fix pack APAR Download URL
V11.1 11.1 FP5 IT29425 http://www.ibm.com/support/docview.wss?uid=ibm11115973

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

28 Nov 2019: Initial Publication
29 November 2019: Corrected APAR number and link for 11.1 APAR to IT29425

*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 Location

Worldwide

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSEPGG","label":"DB2 for Linux- UNIX and Windows"},"Component":"Security \/ Plug-Ins - Security Vulnerability","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"11.1","Edition":"Advanced Enterprise Server, Advanced Workgroup Server, Enterprise Server, Express, Express-C, Personal, Workgroup Server"}]

Document Information

Modified date:
29 November 2019

UID

ibm11117203