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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.4108
       IBM® Db2® is vulnerable to a buffer overflow (CVE-2020-4701)
                             19 November 2020

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

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

Product:           IBM DB2
Publisher:         IBM
Operating System:  UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Root Compromise                 -- Existing Account
                   Execute Arbitrary Code/Commands -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-4701  

Original Bulletin: 
   https://www.ibm.com/support/pages/node/6370025

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

IBM® Db2® is vulnerable to a buffer overflow (CVE-2020-4701)

Document Information

Document number    : 6370025
Modified date      : 18 November 2020
Product            : DB2 for Linux- UNIX and Windows
Software version   : 10.5, 11.1, 11.5
Operating system(s): AIX
                     Linux
                     Windows
Edition            : Advanced Enterprise Server; Advanced Workgroup Server; Enterprise Server; Express; Express-C; Personal; Workgroup Server

Security Bulletin

Summary

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) is vulnerable
to a buffer overflow, caused by improper bounds checking which could allow a
local attacker to execute arbitrary code on the system with root privileges.

Vulnerability Details

CVEID: CVE-2020-4701
DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server)
is vulnerable to a buffer overflow, caused by improper bounds checking which
could allow a local attacker to execute arbitrary code on the system with root
privileges.
CVSS Base score: 8.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
187078 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

All fix pack levels of IBM Db2 V10.5, V11.1, and V11.5 editions on all
platforms are affected. IBM Db2 V10.1 and 9.7 are not affected.

Remediation/Fixes

Customers running any vulnerable fixpack level of an affected Program 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: V10.5 FP11, 11.1 FP5, and V11.5.4. They can be
applied to any affected fixpack level of the appropriate release to remediate
this vulnerability.

+-------+----------------+-------+--------------------------------------------+
|Release|Fixed in fix    |APAR   |Download URL                                |
|       |pack            |       |                                            |
+-------+----------------+-------+--------------------------------------------+
|V10.5  |TBD             |IT34474|Special Build for V10.5 FP11:               |
|       |                |       |                                            |
|       |                |       |AIX 64-bit                                  |
|       |                |       |HP-UX 64-bit                                |
|       |                |       |Linux 32-bit, x86-32                        |
|       |                |       |Linux 64-bit, x86-64                        |
|       |                |       |Linux 64-bit, POWER big endian              |
|       |                |       |Linux 64-bit, POWER little endian           |
|       |                |       |Linux 64-bit, System z, System z9 or zSeries|
|       |                |       |Solaris 64-bit, SPARC                       |
|       |                |       |Solaris 64-bit, x86-64                      |
|       |                |       |Windows 32-bit, x86                         |
|       |                |       |Windows 64-bit, x86                         |
|       |                |       |Inspur                                      |
+-------+----------------+-------+--------------------------------------------+
|V11.1  |TBD             |IT34472|Special Build for V11.1 FP5:                |
|       |                |       |                                            |
|       |                |       |AIX 64-bit                                  |
|       |                |       |Linux 32-bit, x86-32                        |
|       |                |       |Linux 64-bit, x86-64                        |
|       |                |       |Linux 64-bit, POWER little endian           |
|       |                |       |Linux 64-bit, System z, System z9 or zSeries|
|       |                |       |Solaris 64-bit, SPARC                       |
|       |                |       |Windows 32-bit, x86                         |
|       |                |       |Windows 64-bit, x86                         |
+-------+----------------+-------+--------------------------------------------+
|V11.5  |11.5.5.0        |IT34614|Build for V11.5.5 GA:                       |
|       |                |       |                                            |
|       |                |       |https://www.ibm.com/support/pages/node/     |
|       |                |       |6368787                                     |
+-------+----------------+-------+--------------------------------------------+

Workarounds and Mitigations

None

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