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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.0043 Security vulnerability in Apache Commons FileUpload used by WebSphere Application Server (CVE-2016-1000031) 4 January 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM WebSphere Application Server Publisher: IBM Operating System: UNIX variants (UNIX, Linux, OSX) IBM i Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2016-1000031 Reference: ESB-2017.3224 ESB-2017.3099 ESB-2017.3098 ESB-2016.2436 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=swg22011428 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Security vulnerability in Apache Commons FileUpload used by WebSphere Application Server (CVE-2016-1000031) Document information More support for: WebSphere Application Server General Software version: 8.0, 8.5, 8.5.5, 9.0 Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS Software edition: Advanced, Base, Enterprise, Liberty, Network Deployment Reference #: 2011428 Modified date: 03 January 2018 Security Bulletin Summary There is a potential vulnerabilty in the Apache Conmons FileUpload used by WebSphere Application Server traditional and WebSphere Application Server Liberty. Vulnerability Details CVEID: CVE-2016-1000031 DESCRIPTION: Apache Commons FileUpload, as used in several products, could allow a remote attacker to execute arbitrary code on the system, caused by deserialization of untrusted data in DiskFileItem class of the FileUpload library. A remote attacker could exploit this vulnerability to execute arbitrary code under the context of the current process. CVSS Base Score: 9.8 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/117957 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) Affected Products and Versions This vulnerability affects the following versions and releases of IBM WebSphere Application Server: Liberty Version 9.0 Version 8.5 Version 8.0 Remediation/Fixes The recommended solution is to apply the interim fix, Fix Pack or PTF containing APARs PI90804 for each named product as soon as practical. For WebSphere Application Server Liberty: - - Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI90804 - --OR-- - - Apply Liberty Fix Pack 18.0.0.1 or later (targeted availability 1Q2018). For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition: For V9.0.0.0 through 9.0.0.6: - - Upgrade to minimal fix pack levels as required by interim fixes and then apply Interim Fix PI90804 - --OR-- - - Apply Fix Pack 9.0.0.7 or later (targeted availability 1Q2018). For V8.5.0.0 through 8.5.5.12: - - Upgrade to minimal fix pack levels as required by interim fixes and then apply Interim Fix PI90804 - --OR-- - - Apply Fix Pack 8.5.5.13 or later (targeted availability 1Q2018). For V8.0.0.0 through 8.0.0.14: - - Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PI90804 - --OR-- - - Apply Fix Pack 8.0.0.15 or later (targeted availability 2Q2018). Workarounds and Mitigations none Important note IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk. References Complete CVSS v3 Guide On-line Calculator v3 Related information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History 03 January 2018: 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. 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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