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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0896 IBM Security Bulletin: Multiple vulnerabilities in IBM Java SDK and IBM Java Runtime affect IBM Db2. 20 March 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: DB2 Publisher: IBM Operating System: AIX HP-UX Linux variants Solaris Windows 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: ESB-2019.0879 ESB-2019.0857 ESB-2019.0788 ESB-2019.0725 ESB-2019.0665 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10875132 - --------------------------BEGIN INCLUDED TEXT-------------------- Multiple vulnerabilities in IBM Java SDK and IBM Java Runtime affect IBM Db2. Product: DB2 for Linux, UNIX and Windows Software version: All Versions Operating system(s): AIX, HP-UX, Linux, Solaris, Windows Reference #: 0875132 Security Bulletin Summary There are multiple vulnerabilities in IBM Runtime Environment Java Version 7.0.10.35 and earlier, 7.1.4.35 and earlier, 8.0.5.27 and earlier used by IBM Db2. These issues were disclosed as part of the IBM Java SDK updates in January 2019. 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. 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) 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 All fix pack levels of IBM Db2 V9.7, V10.1, V10.5, and V11.1 editions on all platforms are affected. Remediation/Fixes The recommended solution is to apply the appropriate fix for this vulnerability. The fix for this vulnerability is in the latest version of IBM JDK. Customers running any vulnerable fixpack level of an affected Program, V10.1, V10.5 or V11.1 can download the latest version of IBM JDK from Fix Central . Affected IBM SDK, Java Technology Edition, Version: o 7.0.10.35 and earlier o 7.1.4.35 and earlier o 8.0.5.27 and earlier Fixes for applicable vulnerabilities are included in IBM SDK, Java Technology Edition: o 7.0.10.40 o 7.1.4.40 o 8.0.5.30 Refer to the table below to determine the IBM JDK level that contains the fix. Then follow the instructions below to perform the JDK installation. +----------------------+------------------------------------------+ |Db2 Release |Fixed IBM Release | +----------------------+------------------------------------------+ |V10.1.x |7.0.10.40 or later | +----------------------+------------------------------------------+ |V10.5.x |7.0.10.40 or later | +----------------------+------------------------------------------+ |V11.1.x |8.0.5.30 or later | +----------------------+------------------------------------------+ Instructions for IBM JDK Installation can be found here: http://www.ibm.com/support/docview.wssuid=swg27050993 Workarounds and Mitigations None. 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 Acknowledgement CVE-2018-12547 was reported to IBM by Eddie Zhu Change History 14 March 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. 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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