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Oracle WebCenter Content iDoc Injection Vulnerability

07.16.13

BACKGROUND

Oracle's JRE is a platform that supports the execution of programs developed using the Java programming language. It is available for multiple platforms, including Windows, Linux and Mac OS. The JRE platform also supports Java Applets, which can be loaded from Web pages. For more information, please visit the vendor's website at http://www.java.com.

DESCRIPTION

Oracle Corp.'s WebCenter Content versions 11gR1 and prior are vulnerable to an iDoc script injection vulnerability that could lead to the exposure of the weblogic user account and remote code execution.

An iDoc script injection vulnerability exists within the cs and urm server side component. By sending specially crafted inputs to the idcplg script an attacker could expose the weblogic user credentials and ultimately execute arbitrary code on the vulnerable system.

ANALYSIS

Exploitation of this issue requires the attacker to craft a special request to the WebCenter Content server. Upon sending the request, the attacker could read sensitive files containing the AES encryption key and encrypted credentials of the weblogic administrative user. Using these pieces of data the attacker can then decrypt the credentials and execute arbitrary code by deploying an application by using the WebCenter Content administrative functionality.

DETECTION

WebCenter Content versions 10.1.3.5.1, 11.1.1.6.0 and 11.1.1.7.0 are vulnerable.

WORKAROUND

iDefense recommends blocking access to the Oracle WebContent Center services using a firewall and only allowing access to trusted clients. Additionally, the ports for the services could be set to listen locally rather than on an external interface.

VENDOR RESPONSE

Oracle has released a fix which addresses this issue. For more information, consult their advisory at the following URL:

http://www.oracle.com/technetwork/topics/security/cpujuly2013-1899826.html

CVE INFORMATION

The Common Vulnerabilities and Exposures (CVE) project has assigned the name CVE-2013-3770 to this issue. This is a candidate for inclusion in the CVE list (http://cve.mitre.org/), which standardizes names for security problems.

DISCLOSURE TIMELINE

01/17/2013 Initial Vendor Notification
01/17/2013 Initial Vendor Reply
07/16/2013 Coordinated Public Disclosure

CREDIT

This vulnerability was reported to iDefense by Travis Emmert.

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LEGAL NOTICES

Copyright © 2013 Verisign, Inc.

Permission is granted for the redistribution of this alert electronically. It may not be edited in any way without the express written consent of iDefense Verisign. If you wish to reprint the whole or any part of this alert in any other medium other than electronically, please e-mail customer service for permission.

Disclaimer: The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.