Check Point Advisories

SAP Crystal Reports 2008 Directory Traversal

Vulnerability
Protection

Check Point Reference:	CPAI-2011-023
Date Published:	20 Feb 2011
Severity:	High
Last Updated:	Sunday 20 February, 2011
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	SAP Crystal Reports is a business intelligence application which is used to design and generate reports from various data sources. These sources include databases, spreadsheets, text files, XML files, etc. SAP Crystal Reports installation includes Tomcat Web server and various servlet components in the form of Java Server Page (JSP) files that support web interactions with users and other components. An information disclosure vulnerability has been reported in SAP Crystal Reports 2008. The vulnerability is due to insufficient input validation of user input in one of the installed Java Server Pages (JSPs) in SAP Crystal Reports 2008. A remote attacker may exploit this issue by sending specially crafted HTTP requests to the affected JSP file on the target server. Successful exploitation of this vulnerability would allow the attacker to read the content of arbitrary files on the target host.

Protection Overview

This protection will detect and block specially crafted HTTP requests sent to the vulnerable server.Note that in order for this defense to protect your SAP Crystal Reports 2008, you will need to configure port 8080 (which is also the HTTP proxy port) to work with the HTTP protocol. You need to do the following:1. In the Services tree, click on TCP > HTTP_and_HTTPS_proxy. The TCP Service Properties window opens.2. Click on Advanced. Select the Protocol Type: HTTP.

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

In the IPS tab, click Protections and find the SAP Crystal Reports 2008 Directory Traversal protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: SAP Crystal Reports 2008 directory traversal