ESB-2018.1973 - [Win] IBM Db2 Administration Server: Multiple vulnerabilities 2018-07-09

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1973
         Multiple untrusted search path vulnerabilities in the IBM
               Db2 DAS component on Windows (CVE-2018-1458)
                                9 July 2018

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

Product:           IBM Db2 Administration Server
Publisher:         IBM
Operating System:  Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
                   Increased Privileges            -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1458  

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22016624

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Security Bulletin: Multiple untrusted search path vulnerabilities in the IBM
Db2 DAS component on Windows (CVE-2018-1458).

Security Bulletin

Document information
Software version: 9.7, 10.1, 10.5, 11.1
Operating system(s): Windows
Software edition: Advanced Enterprise Server, Advanced Workgroup Server,
Enterprise Server, Express, Express-C, Personal, Workgroup Server
Reference #: 2016624
Modified date: 06 July 2018

Summary

Multiple untrusted search path vulnerabilities in the Db2 Administration Server
(DAS) component of Db2 on Windows could allow a local user to execute arbitrary
code.

Vulnerability Details

CVEID: CVE-2018-1458
DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server)
could allow a local user to execute arbitrary code and conduct DLL hijacking
attacks.
CVSS Base Score: 7.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
140209 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

All fix pack levels of IBM Db2 V9.7, V10.1, V10.5, and V11.1 editions on
Windows are affected. Unix-type platforms 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, V9.7,
V10.1, and V10.5, 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: DB2 V9.7 FP11, V10.1 FP6,
V10.5 FP9 and V11.1.3 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 |         |                                                            |
|-------------+---------+---------+------------------------------------------------------------|
|V9.7         |TBD      |IT24463  |Special Build for V9.7 FP11:                                |
|             |         |         |                                                            |
|             |         |         |Windows 32-bit, x86                                         |
|             |         |         |Windows 64-bit, x86                                         |
|-------------+---------+---------+------------------------------------------------------------|
|V10.1        |TBD      |IT24462  |Special Build for V10.1 FP6:                                |
|             |         |         |                                                            |
|             |         |         |Windows 32-bit, x86                                         |
|             |         |         |Windows 64-bit, x86                                         |
|-------------+---------+---------+------------------------------------------------------------|
|V10.5        |TBD      |IT24461  |Special Build for V10.5 FP9:                                |
|             |         |         |                                                            |
|             |         |         |Windows 32-bit, x86                                         |
|             |         |         |Windows 64-bit, x86                                         |
|-------------+---------+---------+------------------------------------------------------------|
|V11.1.3      |TBD      |IT24283  |Special Build for V11.1.3.3 iFix001:                        |
|             |         |         |                                                            |
|             |         |         |Windows 32-bit, x86                                         |
|             |         |         |Windows 64-bit, x86                                         |
+----------------------------------------------------------------------------------------------+

Workarounds and Mitigations

The customer can turn off the DAS service if not using it.

Acknowlegement

The vulnerability was reported to IBM by Rich Mirch.

Change History

July 6, 2018: Original Version Published. July 6, 2018: Db2 V10.1 Windows
32-bit download link added.

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