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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1239 IBM Security Bulletin: IBM MQ Console is vulnerable to a man in the middle attack (CVE-2018-1925) 11 April 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM MQ Publisher: IBM Operating System: AIX IBM i Linux variants Solaris Windows Impact/Access: Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-1925 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10744713 - --------------------------BEGIN INCLUDED TEXT-------------------- IBM MQ Console is vulnerable to a man in the middle attack (CVE-2018-1925) Product: IBM MQ Component: Console Software version: 9.1.0.0, 9.1.0.1, 9.1.1 Operating system(s): AIX, IBM i, Linux, Solaris, Windows Reference #: 0744713 Security Bulletin Summary The IBM MQ Console is vulnerable to a man in the middle attack caused by weaker than expected cryptographic algorithms. Vulnerability Details CVEID: CVE-2018-1925 DESCRIPTION: IBM MQ uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. CVSS Base Score: 5.9 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 152925 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N) Affected Products and Versions IBM MQ V9.1 LTS v9.1.0.0 - 9.1.0.1 IBM MQ V9.1 CD v9.1.1 Remediation/Fixes IBM MQ V9.1 LTS Apply FixPack 9.1.0.2 IBM MQ V9.1 CD Upgrade to v9.1.2 Workarounds and Mitigations Enable FIPS mode in your jvm.options file for the MQ Console by adding the following line: - -Dcom.ibm.jsse2.usefipsprovider=true Reference Complete CVSS v3 Guide On-line Calculator v3 Related Information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History 10 April 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. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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