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Security Bulletin: Non-configured connections could cause denial of service in IBM WebSphere MQ Internet Pass-Thru (CVE-2017-1118 )

Security Bulletin


Summary

When using the MQIPT SecurityManager, IP addresses that are not configured in the MQIPT security policy file with the accept and resolve socket permissions, cause MQIPT to stop responding to connection attempts.

Vulnerability Details

CVEID: CVE-2017-1118
DESCRIPTION:
 IBM WebSphere MQ Internet Pass-Thru could allow an attacker to cause the MQIPT to stop responding due to an incorrectly configured security policy.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/121156 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM WebSphere MQ Internet Pass-Thru v2.0 on all platforms

IBM WebSphere MQ Internet Pass-Thru v2.1 on all platforms

Remediation/Fixes

Download and apply the latest version of IBM WebSphere MQ Internet Pass-Thru, 2.1.0.3 from MS81:WebSphere MQ Internet Pass-Thru page.

Workarounds and Mitigations

None known

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References

Complete CVSS v3 Guide
On-line Calculator v3

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

26 July 2017

*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.

Related information

Document information

More support for: WebSphere MQ
MQIPT

Software version: 2.0, 2.1

Operating system(s): Platform Independent

Reference #: 2006580

Modified date: 28 July 2017