Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.2685 Security Bulletin: Multiple vulnerabilities affect Java Server Faces (JSF) used by WebSphere Application Server (CVE-2017-1583, CVE-2011-4343) 24 October 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM WebSphere Application Server Publisher: IBM Operating System: AIX HP-UX IBM i Linux variants Solaris Windows z/OS Impact/Access: Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-1583 CVE-2011-4343 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=swg22008707 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Multiple vulnerabilities affect Java Server Faces (JSF) used by WebSphere Application Server (CVE-2017-1583, CVE-2011-4343) Document information More support for: WebSphere Application Server General Software version: 8.0, 8.5, 8.5.5 Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS Software edition: Advanced, Base, Developer, Enterprise, Express, Liberty, Network Deployment Reference #: 2008707 Modified date: 23 October 2017 Security Bulletin Summary There are two potential infomation disclosure vulnerabilities that affects the Java Server Faces (JSF) component used by WebSphere Application Server. Vulnerability Details CVEID: CVE-2017-1583 DESCRIPTION: IBM WebSphere Application Server could allow a remote attacker to obtain sensitive information caused by improper error handling by MyFaces in JSF. CVSS Base Score: 5.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 132342 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) CVEID: CVE-2011-4343 DESCRIPTION: Apache MyFaces could allow a remote attacker to obtain sensitive information. An attacker could exploit this vulnerability using specially crafted parameters to inject EL expressions into input fields mapped as view parameters and obtain sensitive information. CVSS Base Score: 5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 132287 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N) Affected Products and Versions These vulnerabilities affects the following versions and releases of IBM WebSphere Application Server: o Liberty jsf-2.2 feature o Version 8.5 o Version 8.0 Remediation/Fixes The recommended solution is to apply the interim fix, Fix Pack or PTF containing APARs PI87300 and PI87299 for each named product as soon as practical. For WebSphere Application Server Liberty: For Liberty both fixes are contained in the one interim fix number PI87300. . Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI87300 - --OR-- . Apply Liberty Fix Pack 17.0.0.3 or later. For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition: 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 PI87300 and PI87299 - --OR-- . Apply Fix Pack 8.5.5.13 or later (targetted 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 PI87300 and PI87299 - --OR-- . Apply Fix Pack 8.0.0.15 or later (targeted availability 2Q2018). 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 23 October 2017: 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. Cross reference information Segment Product Component Platform Version Edition Application WebSphere Application Server Servers Hypervisor Edition Application WebSphere Application Server Servers Liberty Core - --------------------------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). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBWe7TjIx+lLeg9Ub1AQgT1A//Y/7nsiJHEZ2c9b1v/IfPiH18emi7TFx9 K0pz+na/Dhq4L4TFrlyS4p2289byzd80jr831Er9/EJVPkd0LT3K0TkXdKZOdQbx oGWvXZzZJgYqFL8/kZvR8KerHY0pr79dHW0eA1jBWjel1UvP5nrJY7GfBRiSnubV d33xjGcLDhlsf+U+1qSEUlqocejE03ycKIo6n+CP03UgMWIClCVh0mbRYnewpTlA 89hW+QZKNG24IMcij9RR5TLJ4//9qRLjtkizZWC5ATtPrPJ7IcYhMPujH6wfM106 SihdI0Qzd2ptet5r96CAVneKO4S8vE5QQ9Af42s69ms9dXu6RZUQwURElMr/gPsS dsFT9EO/wFlPdzsyHwG6KrzznbnyutljNCLCsqN4PQlK3f9bl/NwGt2VRxeYzuu/ MGkZl/j3C3q7fMh9XsY52x26Nw+thbZGmrzZXZZOtELRrC17cEKoeHWZQRUsyUjd 5IkXV8JFx/Gy1xxn6V+zwwzx+8MGc9ZIxaQ3P8pnPrbPbfCVBw2c1oBJYzFoHqKW IcTd4F3R4hb/E/qMkTWdhEh05jLm7wHiHSrIUT43XFjytFvbMXOQ1yR7tvt5tVXE jAeT5zn2j4fYrH7U7ms2i3hH3q6HkTS7AJJrq/+Ofiq7deywF4fityUFFStJPjct A4QJqCpGB2s= =/HlS -----END PGP SIGNATURE-----