Security Bulletin: Non-configured connections could cause denial of service in IBM WebSphere MQ Internet Pass-Thru (CVE-2017-1118 )
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.
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
Download and apply the latest version of IBM WebSphere MQ Internet Pass-Thru, 126.96.36.199 from MS81:WebSphere MQ Internet Pass-Thru page.
Workarounds and Mitigations
Get Notified about Future Security Bulletins
ReferencesComplete CVSS v3 Guide
On-line Calculator v3
Related informationIBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
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.
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.