CVE ID: CVE-2013-6371
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 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.
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:
|Release||Fixed in fix pack||APAR||Download URL|
Contact Technical Support:
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Workarounds and Mitigations
Get Notified about Future Security Bulletins
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.
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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16 June 2018