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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.3847 IBM WebSphere Operational Decision Manager updated 12 December 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM WebSphere Operational Decision Management Publisher: IBM Operating System: Windows UNIX variants (UNIX, Linux, OSX) Impact/Access: Access Confidential Data -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2018-1821 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10744149 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: IBM WebSphere Operational Decision Management is affected by CVE-2018-1821 vulnerability Document information Software version: 8.5, 8.6, 8.7, 8.8, 8.9 Operating system(s): Platform Independent Reference #: 0744149 Modified date: 11 December 2018 Summary IBM WebSphere Operational Decision Management has addressed the vulnerability CVE-2018-1821. Vulnerability Details CVEID: CVE-2018-1821 DESCRIPTION: IBM Operational Decision Manager is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. CVSS Base Score: 7.1 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 150170 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L) Affected Products and Versions * IBM Operational Decision Manager v8.6 * IBM Operational Decision Manager v8.7 * IBM Operational Decision Manager v8.8 * IBM Operational Decision Manager v8.9 Remediation/Fixes Select the following interim fix to upgrade your installation of ODM based on your version of the product: Interim fix for APAR RS03231 and RS03192 is available from IBM Fix Central: IBM Operational Decision Manager v8.6: 8.6.0.3-WS-ODM_DS-IF035 IBM Operational Decision Manager v8.7: 8.7.1.2-WS-ODM_DS-IF079 IBM Operational Decision Manager v8.8: 8.8.1.3-WS-ODM_DS-IF090 IBM Operational Decision Manager v8.9: 8.9.2.1-WS-ODM_DS-IF004 For IBM WebSphere Operational Decision Management v7.1, v7.5, v8.0, v8.5 IBM recommends upgrading to a fixed supported version. Workarounds and Mitigations For v8.6 and v8.7 a context parameter has been added to HTDS Application descriptor to prevent vulnerability in the validation feature with JDK 1.6: Edit the web.xml in the HTDS WAR file to change the property DisableInsecureXMLValidation as needed <!-- Specify whether XML validation of requests is enabled for Java versions lower than 1.7.0 Possible values are : true, false true : XML validation is disabled when Java version is before 1.7.0 false : XML validation is enabled, for all Java versions --> <context-param> <param-name>DisableInsecureXMLValidation</param-name> <param-value>false</param-value> </context-param> Change History Dec 11 2018: original version published - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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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 iQIVAwUBXBCMdWaOgq3Tt24GAQiXfBAAujh/a4kxg8mfOqCuK0nHrOBgLkkNgkw6 iO77O+n/ZvbwEx03OQ7qOUOeIPtB3zTPLxhSMJGEffTiBwQOGOKKNbh2G1UYlnKO 9qfCVM+NUrDSBp+tf21tM6NUvTKGZI+smzSIxkFxsHrXbPm0Cbg5ZMAwQ6HdUFAo t1zjylT/MQN+pY608Ea9rjQPfpowflNyx2Q3KW8KgQDokf/zm1aqji7U9fwo37a/ H/KxMct2lPGRzQopO2lUmUbTmZdnvEiPgdXKIej9HX/RudwwpjovjrmruEkQhzJJ iMZwydpg02dNMSAa/L9TQChc+O7VLtLQNVYqDbl0NZ/TfAEN8F74PeKHZWX7et6S ibuU2WbebJJDoHgIarVFE6QfFJbsmgQQhNv/KaZoAHGwh1U9/kWgYgW8p0nPYSmf qvkeXsjR1+2bEi3PdUD5Ce1qyiurbSTSeha953uh/ET282+/6F1+9CTbOlCmYjTj WZuDdRrli57wWQFLN+dGeiGYb4JBZ5MBQIs78AtbLzOdq62BMVuBYX5ut7rbZ50M pH9j9/lTxYxtqMZkiteKTJ3dxHSX2YUpVgMMukqinLJmWFTmcJ/xP1STqclfyV5f POi7canz8lG7FRwYl9SFQq9vYvlv4/hpflcVIiXqtmFmIDYEoDz4ouW9J6IcfwiP 4kIkiMGK6Fs= =xfcj -----END PGP SIGNATURE-----