TIBCO iProcess vulnerabilities

   Original release date: May 18, 2011
   Last revised: --
   Source: TIBCO Software Inc.


Systems Affected

   TIBCO iProcess Engine below 11.1.3
   TIBCO iProcess Workspace (Browser) versions below 11.3.1

   The following components are affected:

     * TIBCO iProcess Engine Server Manager
     * TIBCO iProcess Action Processor
     * TIBCO iProcess Workspace (Browser) Client
     * TIBCO iProcess Web Client Components (WCC)


Description

   The TIBCO iProcess components listed above contain critical
   vulnerabilities in the processing of inbound HTTP requests:

   CVE-2011-2020 - A cross-site scripting vulnerability exists which 
   may allow an attacker to view or modify information in the database.

   CVE-2011-2021 - A session fixation vulnerability exists which may allow
   an attacker to hijack a web session from another user.

   TIBCO has released updated versions of the affected software products
   which address these issues.  TIBCO strongly recommends sites running the 
   affected components install the applicable update or take corrective 
   action as described below.


Impact

   The impact of these vulnerabilities may include information modification,
   information disclosure, and denial of service.


Solution

   For each affected system, update to the corresponding software versions:
 
   TIBCO iProcess Engine version 11.1.3 or higher
   TIBCO iProcess Workspace (Browser) version 11.3.1 or higher

   This is strongly recommended.

   If an upgrade is not possible, the following actions can mitigate the
   vulnerability:

     * Utilize a firewall to restrict access to the TIBCO iProcess
       components.


References

   http://www.tibco.com/mk/advisory.jsp
   CVE: CVE-2011-2020, CVE-2011-2021