Security Bulletin Summary Db2 is vulnerable to a denial of service. Db2 could allow an authenticated user to execute a function that would cause the server to crash. Vulnerability Details CVEID: CVE-2019-4386 DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow an authenticated user to execute a function that would cause the server to crash. CVSS Base Score: 6.5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/162174 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) Affected Products and Versions Db2 11.1.4.4 and up on all platforms are affected. Db2 11.1.3.3 iFix 002 and earlier, Db2 10.5, Db2 10.1, and Db2 9.7 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. Release Fixed in fix pack APAR Download URL V11.1 FP5 IT29350 http://www.ibm.com/support/docview.wss?uid=ibm11115973 Workarounds and Mitigations None. Get Notified about Future Security Bulletins Subscribe to My Notifications to be notified of important product support alerts like this. References Complete CVSS v3 Guide On-line Calculator v3 Related Information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History June 27, 2019: Original Version Published. July 18, 2019: The images on Unix-type platforms need to be repackaged due to problem with db2iupdt tool. Disabled links until the new repackaged images are available. July 24, 2019: Added links for repackaged V11.1 images. December 2, 2019: Replaced Special Build urls with the V11.1 FP5 url. *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: 11.1 Operating system(s): AIX; Linux; Solaris; Windows Document number: 886809 Modified date: 02 December 2019