The Knowledge Center Component used in Version 9 of the WebSphere Application Server needs an updated Apache Commons Collections library.
DESCRIPTION: Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT infrastructure, and mobile and social products allow remote attackers to execute arbitrary commands via a crafted serialized Java object, related to the InvokerTransformer class in the Apache Commons Collections library.
CVSS Base score: 9.8
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
|WebSphere Application Server||9.0|
For IBM WebSphere Application Server:
For V22.214.171.124 through 126.96.36.199:
- Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH16353
- Apply Fix Pack 188.8.131.52 or later (targeted availability 4Q2019).
Workarounds and Mitigations
Get Notified about Future Security Bulletins
14 Nov 2019: Initial Publication
*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.
20 December 2019