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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.2358
        Security Bulletin: Under specialized conditions, IBM® Db2®
            is vulnerable to denial of service (CVE-2019-4101)
                               28 June 2019

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

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

Product:          IBM DB2 for Linux, UNIX and Windows
Publisher:        IBM
Operating System: AIX
                  HP-UX
                  Linux variants
                  Solaris
                  Windows
Impact/Access:    Denial of Service -- Existing Account
Resolution:       Patch/Upgrade
CVE Names:        CVE-2019-4101  

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

Security Bulletin: Under specialized conditions, IBM(R) Db2(R) is vulnerable to
denial of service (CVE-2019-4101).

Document information

More support for: DB2 for Linux, UNIX and Windows

Software version: 10.1, 10.5, 11.1

Operating system(s): AIX, HP-UX, Linux, Solaris, Windows

Reference #: 0880741

Modified date: 27 June 2019

Security Bulletin


Summary

Db2 is vulnerable to a denial of service. Users that have both EXECUTE on
PD_GET_DIAG_HIST and access to the diagnostic directory on the DB2 server can
cause the instance to crash.

Vulnerability Details

CVEID: CVE-2019-4101
DESCRIPTION: DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) is
vulnerable to a denial of service. Users that have both EXECUTE on
PD_GET_DIAG_HIST and access to the diagnostic directory on the DB2 server can
cause the instance to crash.
CVSS Base Score: 6.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
158091 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)


Affected Products and Versions

All fix pack levels of IBM Db2 V10.1, V10.5, and V11.1 editions on all
platforms are affected. Db2 V9.7 is 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, V10.1,
V10.5, and 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: V10.1 FP6, V10.5 FP10 and
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  |          |                                                                    |
+---------------+----------+----------+--------------------------------------------------------------------+
|V10.1          |TBD       |IT28254   |Special Build for V10.1 FP6:                                        |
|               |          |          |                                                                    |
|               |          |          |AIX 64-bit                                                          |
|               |          |          |HP-UX 64-bit                                                        |
|               |          |          |Linux 32-bit, x86-32                                                |
|               |          |          |Linux 64-bit, x86-64                                                |
|               |          |          |Linux 64-bit, POWER(TM) big endian                                     |
|               |          |          |Linux 64-bit, System z(R), System z9(R) or zSeries(R)                     |
|               |          |          |Solaris 64-bit, SPARC                                               |
|               |          |          |Solaris 64-bit, x86-64                                              |
|               |          |          |Windows 32-bit, x86                                                 |
|               |          |          |Windows 64-bit, x86                                                 |
+---------------+----------+----------+--------------------------------------------------------------------+
|V10.5          |TBD       |IT28251   |Special Build for V10.5 FP10:                                       |
|               |          |          |                                                                    |
|               |          |          |AIX 64-bit                                                          |
|               |          |          |HP-UX 64-bit                                                        |
|               |          |          |Linux 32-bit, x86-32                                                |
|               |          |          |Linux 64-bit, x86-64                                                |
|               |          |          |Linux 64-bit, POWER(TM) big endian                                     |
|               |          |          |Linux 64-bit, POWER(TM) little endian                                  |
|               |          |          |Linux 64-bit, System z(R), System z9(R) or zSeries(R)                     |
|               |          |          |Solaris 64-bit, SPARC                                               |
|               |          |          |Solaris 64-bit, x86-64                                              |
|               |          |          |Windows 32-bit, x86                                                 |
|               |          |          |Windows 64-bit, x86                                                 |
|               |          |          |Inspur                                                              |
+---------------+----------+----------+--------------------------------------------------------------------+
|V11.1          |TBD       |IT28255   |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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