If you have installed an interim fix for PM44303, Websphere Application Server Fixpack 21 or Fixpack 23 which includes APAR PM44303, there is the potential for an authenticated user to gain access to unauthorized resources.
The Web Portal Manager component of Tivoli Access Manager for e-business (TAMeb) uses Websphere Application Server to provide Administrative services as a Websphere Enterprise Application.
If you have installed an Interim Fix for Websphere Application Server APAR PM44303, Websphere Application Server Fixpack 21 or Fixpack 23 which includes APAR PM44303 , you have the potential for an authenticated user on the network to bypass security restrictions, caused by an error when validating user credentials. This access requires a medium level of complexity. This could allow a user to gain unauthorized administrative access to an application and potentially gain access to confidential and critical customer data.
This could allow the user to modify the configuration of the TAMeb server causing the server to work incorrectly. The user could also stop or uninstall the TAMeb Admin console causing a denial of service for the TAMeb clients. Lastly the user could modify the TAMeb Administrator password allowing access to the TAMeb Admin console and TAMeb information.
CVSS Base Score: 6.0
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/77959 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:S/C:P/I:P/A:P)
AFFECTED PRODUCTS AND VERSIONS:
TAMeb 6.0, 6.1 and 6.1.1
1. Determine the WAS server version which is available on the Integrated Systems Console Welcome page.
2. If an affected version is present, apply the updated fix identified below or upgrade to WAS version 220.127.116.11 or higher as soon as possible
|Affected Fix||VRMF||APAR||How to acquire updated fix|
|WAS Interim Fix 18.104.22.168-WS-WAS-MultiOS-IFPM71296||22.214.171.124||PM71296||http://www-01.ibm.com/support/docview.wss?uid=swg24033359|
|WAS Interim Fix 126.96.36.199-WS-WAS-IFPM71296||188.8.131.52||PM71296||http://www-01.ibm.com/support/docview.wss?uid=swg24033359|
Complete CVSS Guide
On-line Calculator V2
X-Force Vulnerability Database http://xforce.iss.net/xforce/xfdb/77959
Websphere Flash http://www-01.ibm.com/support/docview.wss?uid=swg21609067
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
*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 Flash.
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.
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