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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.0584 Security Bulletin: IBM WebSphere MQ proliferation of channel agents causes denial of service (CVE-2017-1145) 6 March 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM WebSphere MQ Publisher: IBM Operating System: AIX HP-UX IBM i Linux variants Solaris Windows Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-1145 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=swg21999672 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: IBM WebSphere MQ proliferation of channel agents causes denial of service (CVE-2017-1145) Document information More support for: WebSphere MQ Channels LU62 / TCP Software version: 8.0.0.6 Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows Software edition: All Editions Reference #: 1999672 Modified date: 03 March 2017 Security Bulletin Summary Threaded channel agents (amqrmppa) might not terminate when they are no longer required. This can lead to a denial of service through exhausting server resources. Vulnerability Details CVEID: CVE-2017-1145 DESCRIPTION: IBM WebSphere MQ does not properly terminate channel agents when they are no longer needed which could allow a user to cause a denial of service through resource exhaustion. CVSS Base Score: 8.6 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/122198 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H) Affected Products and Versions IBM WebSphere MQ V8 The only maintenance level that is affected by this vulnerability is 8.0.0.6. Remediation/Fixes IBM WebSphere MQ V8 Download and apply ifix IT19218 Get Notified about Future Security Bulletins Subscribe to My Notifications to be notified of important product support alerts like this. References Complete CVSS v3 Guide On-line Calculator v3 Related information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History 03 March 2017: Initial 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. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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