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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.2363
           Security Bulletin: IBM Db2 is vulnerable to denial of
                          service (CVE-2019-4386)
                               28 June 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM DB2 for Linux, UNIX and Windows
Publisher:         IBM
Operating System:  AIX
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-4386  

Original Bulletin: 
   https://www-01.ibm.com/support/docview.wss?uid=ibm10886809

- --------------------------BEGIN INCLUDED TEXT--------------------

Security Bulletin: IBM(R) Db2(R) is vulnerable to denial of service
(CVE-2019-4386).


Document information

More support for: DB2 for Linux, UNIX and Windows

Software version: 11.1

Operating system(s): AIX, Linux, Solaris, Windows

Reference #: 0886809

Modified date: 27 June 2019
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:

Customers running any vulnerable fixpack level of an affected Program, V11.1,
can download the special build containing the interim fix for this issue from
Fix Central. These special builds are available based on the most recent
fixpack level for each impacted release: V11.1.4.4 iFix001. They can be applied
to any affected fixpack level of the appropriate release to remediate this
vulnerability.


+---------------+----------+----------+--------------------------------------------------------------------+
|Release        |Fixed in  |APAR      |Download URL                                                        |
|               |fix pack  |          |                                                                    |
+---------------+----------+----------+--------------------------------------------------------------------+
|V11.1          |TBD       |IT29350   |Special Build for V11.1.4.4 iFix001:                                |
|               |          |          |                                                                    |
|               |          |          |AIX 64-bit                                                          |
|               |          |          |Linux 32-bit, x86-32                                                |
|               |          |          |Linux 64-bit, x86-64                                                |
|               |          |          |Linux 64-bit, POWER(TM) little endian                                  |
|               |          |          |Linux 64-bit, System z(R), System z9(R) or zSeries(R)                     |
|               |          |          |Solaris 64-bit, SPARC                                               |
|               |          |          |Windows 32-bit, x86                                                 |
|               |          |          |Windows 64-bit, x86                                                 |
+---------------+----------+----------+--------------------------------------------------------------------+


Workarounds and Mitigations

None.

Reference

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.

*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.

- --------------------------END INCLUDED TEXT--------------------

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