24 June 2016
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2016.1596 Security Bulletin: HTTP Response Splitting in WebSphere Application Server (CVE-2016-0359) 24 June 2016 =========================================================================== 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: Provide Misleading Information -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2016-0359 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=swg21982526 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: HTTP Response Splitting in WebSphere Application Server (CVE-2016-0359) Security Bulletin Document information More support for: WebSphere Application Server General Software version: 7.0, 8.0, 8.5, 8.5.5 Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS Software edition: Base, Developer, Express, Liberty, Network Deployment Reference #: 1982526 Modified date: 2016-06-23 Summary There is a potential HTTP response splitting vulnerability in IBM WebSphere Application Server. Vulnerability Details CVEID: CVE-2016-0359 DESCRIPTION: IBM WebSphere Application Server is vulnerable to HTTP response splitting attacks. A remote attacker could exploit this vulnerability using specially- crafted URL to cause the server to return a split response, once the URL is clicked. This would allow the attacker to perform further attacks, such as Web cache poisoning, cross-site scripting, and possibly obtain sensitive information. CVSS Base Score: 6.1 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111929 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) Affected Products and Versions This vulnerability affects the following versions and releases of IBM WebSphere Application Server Version 8.5.5 Full Profile and Liberty Version 8.5 Full Profile and Liberty Version 8.0 Version 7.0 Remediation/Fixes The recommended solution is to apply the interim fix, Fix Pack or PTF containing APAR PI58918 for each named product as soon as practical. For WebSphere Application Server: For V126.96.36.199 through 188.8.131.52 Liberty: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI58918 - --OR-- Apply Liberty Fix Pack 184.108.40.206 or later (targeted availability 24 June 2016). For V220.127.116.11 through 18.104.22.168 Full Profile: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI58918 - --OR-- Apply Fix Pack 22.214.171.124 or later (targeted availability 15 August 2016). For V126.96.36.199 through 188.8.131.52: Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PI58918 - --OR-- Apply Fix Pack 184.108.40.206 or later (targeted availability 24 October 2016). For V220.127.116.11 through 18.104.22.168: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI58918 - --OR-- Apply Fix Pack 22.214.171.124 or later (targeted availability 2Q2017). 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 v3 Guide On-line Calculator v3 Related information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History 23 June 2016: 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. 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