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 18.104.22.168 and 22.214.171.124)
WebSphere Portal 7 (Fix Pack levels 126.96.36.199 and 188.8.131.52)
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 184.108.40.206
▪ Upgrade to Fix Pack 220.127.116.11 with Cumulative Fix 9 (CF09) and then apply Interim Fix PI07013
(Combined Cumulative Fixes for WebSphere Portal 18.104.22.168: http://www-01.ibm.com/support/docview.wss?uid=swg24034497)
For 22.214.171.124 through 126.96.36.199
▪ Upgrade to Fix Pack 188.8.131.52 with Cumulative Fix 27 (CF27)
(Combined Cumulative fixes for WebSphere Portal 184.108.40.206: 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.