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Security Bulletin: IBM i Access for Windows affected by vulnerability CVE-2018-1888.

Security Bulletin


Summary

IBM i Access for Windows is affected by vulnerability CVE-2018-1888. This vulnerability affects the Windows system running the IBM i Access for Windows product.

Vulnerability Details

CVEID: CVE-2018-1888
DESCRIPTION: An untrusted search path vulnerability in IBM i Access for Windows versions 7.1 and earlier on Windows can allow arbitrary code execution via a Trojan horse DLL in the current working directory, related to use of the LoadLibrary function.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/152079 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)

Affected Products and Versions

Release 7.1 of IBM i Access for Windows is affected.

Remediation/Fixes

The issue can be fixed by obtaining and applying the Service Pack SI68573 or higher.

The Service Pack is available at:

https://www-01.ibm.com/support/docview.wss?uid=isg3T1026807

https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/IBM%20i%20Technology%20Updates/page/IBM%20i%20Access%20for%20Windows%20-%20Service%20Packs

Release 7.1 – SI68573

Important note: IBM recommends that all users running unsupported versions of affected products upgrade to supported and fixed version of affected products.

Workarounds and Mitigations

None

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 Evangelos Mourikis of Deloitte

Change History

03 January 2019: Original version published

*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.


Cross reference information
Product Component Platform Version Edition
IBM i IBM i All Versions

Document information

More support for: IBM i Access for Windows

Software version: 7.1

Operating system(s): Windows

Reference #: 0740233

Modified date: 02 January 2019