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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.2258
          IBM Db2 is vulnerable to an information disclosure and
                     denial of service (CVE-2020-4414)
                                1 July 2020

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

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

Product:           Db2
Publisher:         IBM
Operating System:  AIX
                   Linux variants
                   Windows
Impact/Access:     Access Confidential Data -- Existing Account
                   Denial of Service        -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-4414  

Original Bulletin: 
   https://www.ibm.com/support/pages/node/6242356

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

Security Bulletin: IBM(R) Db2(R) is vulnerable to an information disclosure and
denial of service (CVE-2020-4414)

Security Bulletin


Summary

IBM(R) Db2(R) could allow a local attacker to perform unauthorized actions on the
system, caused by improper usage of shared memory. By sending a
specially-crafted request, an attacker could exploit this vulnerability to
obtain sensitive information or cause a denial of service.

Vulnerability Details

CVEID:   CVE-2020-4414
DESCRIPTION:   IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect
Server) could allow a local attacker to perform unauthorized actions on the
system, caused by improper usage of shared memory. By sending a
specially-crafted request, an attacker could exploit this vulnerability to
obtain sensitive information or cause a denial of service.
CVSS Base score: 5.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
179989 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)

Affected Products and Versions

All fix pack levels of IBM Db2 V9.7, V10.1, V10.5, V11.1, and V11.5 editions on
all platforms are 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: V9.7 FP11, V10.1 FP6, V10.5 FP11, 11.1 FP5,
and V11.5 GA. 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            |       |                                            |
+-------+----------------+-------+--------------------------------------------+
|V9.7   |TBD             |IT32744|Special Build for V9.7 FP11:                |
|       |                |       |                                            |
|       |                |       |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                         |
+-------+----------------+-------+--------------------------------------------+
|V10.1  |TBD             |IT32743|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             |IT32742|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(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             |IT32741|Special Build for V11.1 FP5:                |
|       |                |       |                                            |
|       |                |       |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                         |
+-------+----------------+-------+--------------------------------------------+
|V11.5  |TBD             |IT32716|Build for V11.5.4 GA:                       |
|       |                |       |                                            |
|       |                |       |https://www.ibm.com/support/pages/node/     |
|       |                |       |6241724                                     |
+-------+----------------+-------+--------------------------------------------+

 

 

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

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alerts like this.

References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

The vulnerability was reported to IBM by Martin Rakhmanov

Change History

30 June 2020: Initial Publication

*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.

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