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Security Bulletin: IBM® DB2® LUW is affected by the JSON-C vulnerability (CVE-2013-6371)

Security Bulletin


Summary

IBM® DB2® LUW is affected by a denial of service vulnerability in JavaScript Object Notation (JSON-C), caused by an error in the hash function during string parsing. A remote, unauthorized user could exploit this vulnerability to consume all available CPU resources.

Vulnerability Details


CVE ID: CVE-2013-6371

DESCRIPTION:
DB2 is affected by a denial of service vulnerability in JSON-C, caused by an error in the hash function during string parsing. A remote, unauthorized user could exploit this vulnerability to consume all available CPU resources.

JSON support is disabled by default at the DB2 server. If you do not use JSON in DB2, you are not affected.

CVSS:
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/92541 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

Affected Products and Versions


IBM DB2 V10.5 editions listed below and running on AIX, Linux, HP, Solaris or Windows are affected.

IBM® DB2® Express Edition
IBM® DB2® Workgroup Server Edition
IBM® DB2® Enterprise Server Edition
IBM® DB2® Advanced Enterprise Server Edition
IBM® DB2® Advanced Workgroup Server Edition
IBM® DB2® Connect™ Application Server Edition
IBM® DB2® Connect™ Enterprise Edition
IBM® DB2® Connect™ Unlimited Edition for System i®
IBM® DB2® Connect™ Unlimited Edition for System z®

The DB2 Connect products mentioned are affected only if a local database has been created.

Note: JSON support was first introduced in DB2 V10.5 FP1 and hence DB2 V9.5, V9.7, V9.8 and V10.1 are not affected.
.

Remediation/Fixes

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

The fix for DB2 and DB2 Connect release V10.5 is in V10.5 FP4, available for download from Fix Central.

Download the fix pack from the following:

ReleaseFixed in fix packAPARDownload URL
V10.5 FP4IT02201http://www.ibm.com/support/docview.wss?uid=swg24038261

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.

Note: IBM’s statements regarding its plans, directions, and intent are subject to change or withdrawal without notice at IBM’s sole discretion. Information regarding potential future products is intended to outline our general product direction and it should not be relied on in making a purchasing decision. The information mentioned regarding potential future products is not a commitment, promise, or legal obligation to deliver any material, code or functionality. Information about potential future products may not be incorporated into any contract. The development, release, and timing of any future features or functionality described for our products remains at our sole discretion.

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

None

Change History

August 28, 2014: 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.

[{"Product":{"code":"SSEPGG","label":"DB2 for Linux- UNIX and Windows"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":"Security \/ Plug-Ins - Security Vulnerability","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"10.5","Edition":"Advanced Enterprise Server;Advanced Workgroup Server;Enterprise Server;Express;Express-C;Personal;Workgroup Server"},{"Product":{"code":"SSEPDU","label":"DB2 Connect"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"10.5","Edition":""}]

Document Information

Modified date:
16 June 2018

UID

swg21682215