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

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 fix pack APAR Download URL
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

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.

Document information

More support for: DB2 for Linux, UNIX and Windows

Component: --

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