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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.1860 Security Bulletin: Non-configured connections could cause denial of service in IBM WebSphere MQ Internet Pass-Thru (CVE-2017-1118) 31 July 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM WebSphere MQ Publisher: IBM Operating System: AIX HP-UX Solaris Linux variants Windows Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-1118 Reference: ESB-2017.1821 ESB-2017.1769 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=swg22006580 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Non-configured connections could cause denial of service in IBM WebSphere MQ Internet Pass-Thru (CVE-2017-1118 ) 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 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 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. - --------------------------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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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBWX6t+Yx+lLeg9Ub1AQjOFw//TxzqkEFFc23Eiix18KutuCaPqI8G7iYK sylNQNMGYYbpEtnoevvBgMJQzaRVxt3yfdHRjQIhlIAINWswyLPiNj27Wcztw26Y Qsw76GCDyZ2bBblHe3xIH0oxRTi+2fW5MMi2uuDHnVPieljWL4dGZI/kGFA6m3Fa j3L9e54MMLjqLdDoYKGTF3sufhlREzR0n2tFtmLivR+Yp/l7mD0VVqD6sNjxp9C3 SH+abuRQWIe8yS8GXKgDV7R4hHnB7tis3p8em/cZxqmZdifDptt4hKpiSmEuyC+B xzErxkNpqUgmCcoy2umxmDpFPsOH1TMyelFhXaYfacrNXX048U5E0dOxRcljRwZp jK0Goq1XHMeBqxcMmInTWiF1z1LVwlihoVZXmikHh+Z4ghX7YHVl42CI732ZMlLW XJZEY6lia4JgIcyNrUzKMiJri4lOOe64eVTmbaw33dbMYknVtYl0B/KVte74tyOD LZyMMZ3yDDFKjT5uycBPGPzz+fDtAdmgXqlpEQ4r8thSJaZtYdO/Cg/a2F33sq0I bBgNkfuB8S+scCUYQpGQEExd9PYENUuxC6Ks9SJ/LHzbFdKhTWNvxkSguCHZ0VBX O71jDe6H6aE6SjfpZNqigwjFclwHFVev637dqkvzERu1L/FRVSWa9lxwFPMjkpXb yspSaQBTibQ= =erM5 -----END PGP SIGNATURE-----