Zero-Day Advisory

Fortinet Discovers IBM WebSphere Business Modeler Cross Site Scripting Vulnerability

Summary

Fortinet's FortiGuard Labs has discovered a Cross Site Scripting vulnerability in IBM WebSphere Business Modeler.
WebSphere Business Modeler is a business process modeling and analysis tool. Business users are able to generate process modeling, simulation, and analysis to help them to understand, document, and deploy business processes better.
A reflected Cross Site Scripting vulnerability exists in WebSphere Business Modeler. This vulnerability is caused by improper validation of user-supplied input. Victims just need to click a specially-crafted URL to execute injected script code in his/her Web browser within the security context of the hosting website. Attackers could exploit this vulnerability to steal the victims' cookie-based authentication credentials, redirect the victims to malicious websites, etc.

Solutions

FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:

IBM.WebSphere.Business.Modeler.XSS
Released Apr 27, 2016

FortiWeb can cover this specific vulnerability with following signatures:

Cross Site Scripting 010000000

Cross Site Scripting (Extended) 020000000

Users should apply the solution provided by IBM.

References

• http://www-01.ibm.com/support/docview.wss?uid=swg21983144
  

• CVE-2015-7439

Acknowledgement

This vulnerability was discovered by Honggang Ren of Fortinet's FortiGuard Labs.

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.