Security Bulletin: Cross-Site Request Forgery Vulnerability in IBM WebSphere Portal (CVE-2016-2901)
A fix is available for a Cross-Site Request Forgery vulnerability in IBM WebSphere Portal (CVE-2016-2901).
DESCRIPTION: IBM WebSphere Portal and Web Content Manager is vulnerable to cross-site request forgery, caused by improper validation of user-supplied input. By persuading an authenticated user to visit a malicious Web site, a remote attacker could send a malformed HTTP request. An attacker could exploit this vulnerability to perform cross-site scripting attacks, Web cache poisoning, and other malicious activities.
CVSS Base Score: 8.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113194 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Affected Products and Versions
IBM WebSphere Portal 8.5 (CF08 - CF10 inclusive)
Apply a Cumulative Fix containing PI62594.
- Upgrade to Cumulative Fix 11 (CF11)
(Combined Cumulative Fixes for WebSphere Portal 220.127.116.11: http://www-01.ibm.com/support/docview.wss?uid=swg24037786)
Workarounds and Mitigations
Stop the 'PA_Theme_Creator' application, until a fix is applied.
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14 June 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.
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.