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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1734 Multiple Vulnerabilities in IBM Java SDK affect Liberty for Java for IBM Cloud January 2019 CPU 15 May 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Liberty for Java for Bluemix Publisher: IBM Operating System: Linux variants Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Increased Privileges -- Existing Account Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-2426 CVE-2018-12547 CVE-2018-1890 Reference: ASB-2019.0018 ESB-2019.1684 ESB-2019.1568 ESB-2019.1561 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10882818 - --------------------------BEGIN INCLUDED TEXT-------------------- Multiple Vulnerabilities in IBM Java SDK affect Liberty for Java for IBM Cloud January 2019 CPU Product: Liberty for Java for Bluemix Software version: All Versions Operating system(s): Linux Reference #: 0882818 Security Bulletin Summary There are multiple vulnerabilities in the IBM SDK Java Technology Edition that is shipped with IBM WebSphere Application Server. 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 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. HP fixes are on a delayed schedule. 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 the current score 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) CVEID: CVE-2018-1890 DESCRIPTION: IBM SDK, Java Technology Edition Version 8 on the AIX platform uses absolute RPATHs which may facilitate code injection and privilege elevation by local users. CVSS Base Score: 5.6 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 152081 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L) Affected Products and Versions This vulnerability affects all versions of Liberty for Java in IBM Cloudup to and including v3.29. Remediation/Fixes To upgrade to Liberty for Javav3.30-20190325-1301or higher, you must re-stage or re-push your application. To find the current version of Liberty for Java in IBM Cloud being used, from the command-line Cloud Foundry client by running the following commands: cf ssh <appname> -c cat "staging_info.yml" Look for the following lines: {"detected_buildpack":"Liberty for Java(TM) (WAR, liberty-18.0.0_3, buildpack-v3.25-20180918-1034, ibmjdk-1.8.0_20180214, env) ","start_command":".liberty/initial_startup.rb"} To re-stage your application using the command-line Cloud Foundry client, use the following command: cf restage <appname> To re-push your application using the command-line Cloud Foundry client, use the following command: cf push <appname> Monitor IBM Cloud Status for Future Security Bulletins Monitor the security notifications on the IBM Cloud Status page to be advised of future security bulletins. Change History 29 April 2019: original document published - --------------------------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. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. 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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