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AUSCERT External Security Bulletin Redistribution
ESB-2018.1973.2
Multiple untrusted search path vulnerabilities in the IBM
Db2 DAS component on Windows (CVE-2018-1458)
8 August 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
Revision History: August 8 2018: Updated 11.1 version with a link to
11.1.3.3 iFix002 image.
July 9 2018: Initial Release
- --------------------------BEGIN INCLUDED TEXT--------------------
Security Bulletin: Multiple untrusted search path vulnerabilities in the IBM(R)
Db2(R) DAS component on Windows (CVE-2018-1458).
Document information
More support for: DB2 for Linux, UNIX and Windows
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: 07 August 2018
Security Bulletin
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:
The fix for DB2 release V10.5 is in V10.5 FP10 and V11.1 is in V11.1.3.3
iFix002, which are available for download from Fix Central.
Customers running any vulnerable fixpack level of an affected Program, V9.7 and
V10.1 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: DB2 V9.7 FP11 and V10.1 FP6. 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 |FP10 |IT24461 |https://www-01.ibm.com/support/docview.wss-uid=swg2404501 |
+---------------+----------+----------+---------------------------------------------------------------------+
|V11.1.3.3 |iFix002 |IT24283 |https://www-01.ibm.com/support/docview.wss-uid=ibm10720009 |
+---------------+----------+----------+---------------------------------------------------------------------+
Workarounds and Mitigations
The customer can turn off the DAS service if not using it.
Get Notified about Future Security Bulletins
Subscribe to My Notifications to be notified of important product support
alerts like this.
Reference
Complete CVSS v3 Guide
On-line Calculator v3
Related Information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Acknowledgement
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.
July 10, 2018: Db2 V9.7 Windows 32-bit and 64-bit download link added.
July 11, 2018: Updated 10.5 version with a link to 10.5 FP10 image.
August 7, 2018: Updated 11.1 version with a link to 11.1.3.3 iFix002 image.
*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.
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