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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0357 Security Bulletin: IBM i2 Enterprise Insight Analysis. CVE-2018-12539 7 February 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM i2 Enterprise Insight Analysis Publisher: IBM Operating System: Linux variants Windows Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2018-12539 Reference: ESB-2019.0260 ESB-2019.0258 Original Bulletin: https://www.ibm.com/support/docview.wss?uid=ibm10738641 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: IBM i2 Enterprise Insight Analysis. CVE-2018-12539 Document information More support for: i2 Enterprise Insight Analysis Software version: 2.1.7 Operating system(s): Linux, Windows Reference #: 0738641 Modified date: 06 February 2019 Security Bulletin Summary IBM i2 Enterprise Insight Analysis is delivered with the IBM Java Runtime. A vulnerability was discovered in the IBM Java Runtime that can leave the product vulnerable to attacks allowing arbitrary code to be injected. Vulnerability Details CVEID: CVE-2018-12539 DESCRIPTION: Eclipse OpenJ9 could allow a local attacker to gain elevated privileges on the system, caused by the failure to restrict the use of Java Attach API to connect to an Eclipse OpenJ9 or IBM JVM on the same machine and use Attach API operations to only the process owner. An attacker could exploit this vulnerability to execute untrusted native code and gain elevated privileges on the system. CVSS Base Score: 8.4 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 148389 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) Affected Products and Versions IBM i2 Enterprise Insight Analysis 2.1.7 Remediation/Fixes Attach API is enabled by default on Windows, Linux, and AIX JVMs and can be disabled using the command line option -Dcom.ibm.tools.attach.enable=no In IBM i2 Enterprise Insight Analysis version 2.1.8 and later, the attach API is disabled prior to deployment by default. For previous releases, the user can modify their environments using the steps below to manually disable it. Workarounds and Mitigations 1. Locate the jvm.options (usually <i2AnalyzeRoot>/deploy/wlp/usr/servers/ opal-server) 2. Open the file using a text editor 3. Add the following line at the top of the file: - -Dcom.ibm.tools.attach.enable=no 4. Save and close the file 5. In the (<i2AnalyzeRoot>/toolkit/scripts) directory, run the following command to restart the application server: setup -t restartLiberty Reference Complete CVSS v3 Guide On-line Calculator v3 http://cve.mitre.org/cgi-bin/cvename.cgi-name=CVE-2018-12539. Related Information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog *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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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). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXFudqGaOgq3Tt24GAQjQtQ//RWhEcLWphjRzfPKdhqRn2QxYTtr/2NB7 nwZJZqhnsUrplJYeTvcqgOklSvpPjFXsiyMh+GZghami2nhrWaBeJL7EE4vkTHnw bjNgWqJoWsC9Ufq8xn1ETS2bj/+BcBwoAHdHrNx1eVcVSZ1/38IN0+8kGNm+/plZ ArpeHVG4MaGeSbfsXBGn8IaWVMNETlQGELQO21U+TG/H/HIV1q5mkBGWx1/O+NAq MrS89LVRfsw6Gm5bkvh2Th1998SUI5hpdtU3HB3fw3nEoI8K9hJekK8KDAybaX5e oXA1y59Us4ISCJ7zTPoI68oZySwnOWkUJ0I1Dw3QriUpgJcr3dSKzxgmuA4w3HLW 9jpKMoul3hsawLrzSXBFgVBCNJV0TJklIF8Yq2P4FmqeWU4h0SHAbu/AMp29XAvW 0lryKovStT3X6x/PK+EmOwjPMxD4h6m/3A20b41lJmLELXoF1iYUtLsgTQjEErgl MfgosDtEqPXZanhZXDMyK+Rlf70rlizinAI+8eOYKhIUK+607VOo0n45XDl3ytOI U2mrI9RFaWZ09U91t2zy9oEbbZAw3ZmFTM2uUMV1SthsCU8BW/snmvZb72wknSdQ 0CStVkgxJJV4eZNMEEhPVzz1Iz/3DsGP0AcuMru7C9Pr2ARt3jmweJdKB2rHqE7D cGNHMOr2BKc= =elox -----END PGP SIGNATURE-----