A fix that blocks unrestricted file upload is available for a security vulnerability in IBM WebSphere Portal.
A security vulnerability in the 'Registration/Edit My Profile Portlet' has been identified. A remote unauthorized attacker could upload arbitrary files to the server and execute denial of service attacks.
CVSS Base Score: 5.8
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/89235 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:P)
WebSphere Portal 8 (Fix Pack levels 220.127.116.11 and 18.104.22.168)
WebSphere Portal 7 (Fix Pack levels 22.214.171.124 and 126.96.36.199)
The recommended solution is to apply PI07013 as soon as practical.
Fix: Apply Interim Fix PI07013 or a Cumulative Fix containing PI07013.
For 8.0.0 through 188.8.131.52
▪ Upgrade to Fix Pack 184.108.40.206 with Cumulative Fix 9 (CF09) and then apply Interim Fix PI07013
(Combined Cumulative Fixes for WebSphere Portal 220.127.116.11: http://www-01.ibm.com/support/docview.wss?uid=swg24034497)
For 18.104.22.168 through 22.214.171.124
▪ Upgrade to Fix Pack 126.96.36.199 with Cumulative Fix 27 (CF27)
(Combined Cumulative fixes for WebSphere Portal 188.8.131.52: http://www.ibm.com/support/docview.wss?uid=swg24029452)
Disable access to the 'Registration/Edit My Profile Portlet' using Portal Access Control.
Apply the workaround until the APAR is installed.
On-line Calculator V2
10th February 2014: Original Copy 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.
Note: 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.