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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2016.2491 Security Bulletin: Vulnerabilities in Apache Struts affect IBM WebSphere Portal (CVE-2015-0899, CVE-2016-1181, CVE-2016-1182) 26 October 2016 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM WebSphere Portal Publisher: IBM Operating System: AIX HP-UX Linux variants Solaris Windows z/OS Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2016-1182 CVE-2016-1181 CVE-2015-0899 Reference: ASB-2016.0095 ESB-2016.2357 ESB-2016.2310 ESB-2016.2223 ESB-2016.2134 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=swg21988770 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Vulnerabilities in Apache Struts affect IBM WebSphere Portal (CVE-2015-0899, CVE-2016-1181, CVE-2016-1182) Document information More support for: WebSphere Portal Software version: 6.1, 7.0, 8.0, 8.5 Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS Reference #: 1988770 Modified date: 25 October 2016 Security Bulletin Summary Fixes are available for vulnerabilities in Apache Struts affecting IBM WebSphere Portal (CVE-2015-0899, CVE-2016-1181, CVE-2016-1182). Vulnerability Details CVEID: CVE-2016-1181 DESCRIPTION: Apache Struts could allow a remote attacker to execute arbitrary code on the system, caused by the failure to protect against unintended remote operations against components on server memory by the ActionForm instance. An attacker could exploit this vulnerability to execute arbitrary code on the system. CVSS Base Score: 8.1 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113852 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H) CVEID: CVE-2016-1182 DESCRIPTION: Apache Struts could allow a remote attacker to bypass security restrictions, caused by the improper validation of input by the Validator. An attacker could exploit this vulnerability to modify validation rules and error messages. CVSS Base Score: 4.8 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113853 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L) CVEID: CVE-2015-0899 DESCRIPTION: Apache Struts could allow a remote attacker to bypass security restrictions, caused by an error in the MultiPageValidator implementation. An attacker could exploit this vulnerability using a modified page parameter to bypass restrictions and launch further attacks on the system. This vulnerability also affects other products. CVSS Base Score: 4.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/101770 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N) Affected Products and Versions IBM WebSphere Portal 8.5 IBM WebSphere Portal 8.0 IBM WebSphere Portal 7 IBM WebSphere Portal 6.1 For unsupported versions IBM recommends upgrading to a fixed, supported version of the product. Remediation/Fixes These issues have been addressed by IBM WebSphere Portal Server and through IBM WebSphere Application Server which is shipped with IBM WebSphere Portal Server. Fix delivery details for IBM WebSphere Portal Server Product VRMF APARs Fix IBM WebSphere Portal 8.5.0 PI66606 Upgrade to Cumulative Fix 12 (CF12) PI66636 (Combined Cumulative Fixes for WebSphere Portal 8.5.0.0) PI66638 PI66641 PI66642 IBM WebSphere Portal 8.0.0 through PI66606 Upgrade to Fix Pack 8.0.0.1 with Cumulative Fix 21 (CF21) and then apply the 8.0.0.1 PI66636 Interim Fixes PI66606, PI66636, PI66638, PI66641, PI66642, and PI66643. PI66638 --or-- PI66641 Upgrade to Fix Pack 8.0.0.1 with Cumulative Fix 22 (CF22), targeted for 1Q 2017. PI66642 (Combined Cumulative Fixes for WebSphere Portal 8.0.0.1) PI66643 IBM WebSphere Portal 7.0.0 through PI66606 Upgrade to Fix Pack 7.0.0.2 with Cumulative Fix 30 (CF30) and then apply the 7.0.0.2 PI66636 Interim Fixes PI66606, PI66636, PI66638, PI66640, PI66641, PI66642, and PI66638 PI66645. PI66640 (Combined Cumulative fixes for WebSphere Portal 7.0.0.2) PI66641 PI66642 PI66645 IBM WebSphere Portal 6.1.5.0 through PI66606 Upgrade to Fix Pack 6.1.5.3 with Cumulative Fix 27 (CF27) and then apply the 6.1.5.3 PI66636 Interim Fixes PI66606, PI66636, PI66638, PI66640, PI66641, PI66642, PI66644, PI66638 and PI66645. PI66640 (Cumulative fixes for WebSphere Portal 6.1.5.3) PI66641 PI66642 PI66644 PI66645 IBM WebSphere Portal 6.1.0.0 through PI66606 Upgrade to Fix Pack 6.1.0.6 with Cumulative Fix 27 (CF27) and then apply the 6.1.0.6 PI66636 Interim Fixes PI66606, PI66636, PI66638, PI66640, PI66641, PI66642, PI66644, PI66638 and PI66645. PI66640 (Cumulative fixes for WebSphere Portal 6.1.0.6) PI66641 PI66642 PI66644 PI66645 Refer to the following security bulletin for vulnerability details and information about fixes addressed by IBM WebSphere Application Server which is shipped with IBM WebSphere Portal. Principal Product and Version(s) Affected Supporting Product and Version Affected Supporting Product Security Bulletin IBM WebSphere Portal version 6.1, 7.0, 8.0, and 8.5 IBM WebSphere Application Server version 6.1, 7.0, 8.0, 8.5 Security Bulletin: Vulnerabilities in Apache Struts affect IBM WebSphere Application Server (CVE-2016-1181 and CVE-2016-1182) Workarounds and Mitigations None Get Notified about Future Security Bulletins Subscribe to My Notifications to be notified of important product support alerts like this. 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 v2 Guide On-line Calculator v2 Complete CVSS v3 Guide On-line Calculator v3 Related information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History 25 October 2016: 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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