Check Point Advisories

IBM WebSphere Application Server Cross Site Scripting (CVE-2009-2742)

Check Point Reference: CPAI-2009-347
Date Published: 14 Oct 2009
Severity: High
Last Updated: Wednesday 14 October, 2009
Source:
Industry Reference:CVE-2009-2742
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description The IBM WebSphere Application Server is a Java 2 Enterprise Edition (J2EE) and Web Services-based application server. The software is made available for various vendor operating systems. It comprises of several Java-based tools that allow users to create and manage sophisticated business web sites. One of the most common tools are the Java Servlets. A cross-site scripting vulnerability exists in IBM WebSphere Application Server (WAS). The flaw is due to lack of validation of the user supplied input data. The flaw may be exploited by malicious users to execute arbitrary HTML and script code on target user's web browser, within the context of a trusted web site. An attack targeting this vulnerability can result in the injection and execution of script code. If code execution is successful, the behaviour of the target will depend on the intention of the attacker. Unsuccessful attack attempts could either be unnoticed by the target user, or cause incorrect rendering of the affected web pages.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

  1. In the IPS tab, click Protections and find the IBM WebSphere Application Server Cross Site Scripting protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Application Servers Protection Violation.
Attack Information:  IBM WebSphere Application Server cross site scripting

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