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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1242 IBM Security Bulletin: Multiple vulnerabilities in IBM Java SDK affects WebSphere Application Server in IBM Cloud January 2019 CPU 11 April 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: WebSphere Application Server in IBM Cloud Publisher: IBM Operating System: Linux variants Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-2426 CVE-2018-12547 Reference: ASB-2019.0018 ESB-2019.1223 ESB-2019.0263 ESB-2019.0262 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10874748 - --------------------------BEGIN INCLUDED TEXT-------------------- Multiple vulnerabilities in IBM® Java SDK affects WebSphere Application Server in IBM Cloud January 2019 CPU Product: WebSphere Application Server in IBM Cloud Software version: All Versions Operating system(s): Linux Reference #: 0874748 Security Bulletin Summary There are multiple vulnerabiltities in the IBM SDK Java Technology Edition that is shipped with IBM WebSphere Application Server. These issues were disclosed in the IBM Java SDK updates in January 2019. These may affect some configurations of IBM WebSphere Application Server Traditional, IBM WebSphere Application Server Liberty and IBM WebSphere Application Server Hypervisor Edition. Vulnerability Details For information on the IBM Java SDK that is now bundled with WebSphere Application Server Version 8.5.5 refer to the Knowledge Center link in the References section. If you run your own Java code using the IBM Java Runtime delivered with this product, you should evaluate your code to determine whether the complete list of vulnerabilities are applicable to your code. For a complete list of vulnerabilities please refer to the link for "IBM Java SDK Security Bulletin" located in the References section for more information. CVEID: CVE-2019-2426 DESCRIPTION: An unspecified vulnerability related to the Java SE Networking component could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors. CVSS Base Score: 3.7 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 155744 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N) CVEID: CVE-2018-12547 DESCRIPTION: Eclipse OpenJ9 is vulnerable to a buffer overflow, caused by improper bounds checking by the jio_snprintf()and jio_vsnprintf() functions. By sending an overly long argument, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash. CVSS Base Score: 9.8 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 157512 for more information CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) Affected Products and Versions This vulnerability affects the following versions and releases of IBM WebSphere Application Server: Liberty Version 9.0 Version 8.5 Remediation/Fixes To patch an existing service instance refer to the IBM WebSphere Application Server bulletinlisted below: o Security Bulletin: Multiple Vulnerabilities in IBM Java SDK affects WebSphere Application Server January 2019 CPU Please see Updating your environment in the KnowlegeCenter for information on applying service. Alternatively, delete the vulnerable service instance and create a new instance. Workarounds and Mitigations None Additional Bluemix Alert Information Monitor the Bluemix console ( https://console.ng.bluemix.net/status/ ) for additional important product alerts. Reference Complete CVSS v3 Guide On-line Calculator v3 IBM Java SDK Security Bulletin Related Information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History 09 April 2019 - Original document 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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