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[Onapsis Security Advisory 2013-003] SAP Enterprise Portal Cross-Site-Scripting
From: Onapsis Research Labs <research () onapsis com>
Date: Fri, 22 Feb 2013 18:42:33 -0300

Onapsis Security Advisory 2013-003: SAP Enterprise Portal Cross-Site-Scripting

This advisory can be downloaded in PDF format from http://www.onapsis.com/.
By downloading this advisory from the Onapsis Resource Center, you will gain access to beforehand information on
upcoming advisories, presentations and new research projects from the Onapsis Research Labs, as well asexclusive access
to special promotions for upcoming trainings and conferences.


1. Impact on Business
=====================

By exploiting this vulnerability, an internal or external attacker would be able perform attacks on the Organization's
users through weaknesses in the SAP system.

Upon a successful exploitation, he would be able to obtain sensitive information from legitimate users through complex
social engineering attacks and/or exploit vulnerabilities in their systems in order to take control of them.

 Risk Level: Medium

2. Advisory Information
=======================

-- Public Release Date: 2013-02-21

-- Subscriber Notification Date: 2013-02-21

-- Last Revised: 2013-02-21

-- Security Advisory ID: ONAPSIS-2013-003

-- Onapsis SVS ID: ONAPSIS-00044

-- Researcher: Jordan Santarsieri

-- Initial Base CVSS v2:  4.3 (AV:N/AC:M/AU:N/C:N/I:P/A:N)

3. Vulnerability Information
============================

-- Vendor: SAP

-- Affected Components:

   * SAP Enterprise Portal
   (Check SAP Note 1589716 for detailed information on affected releases)

-- Vulnerability Class: Cross-Site-Scripting

-- Remotely Exploitable: Yes

-- Locally Exploitable: No

-- Authentication Required: No

-- Original Advisory: http://www.onapsis.com/resources/get.php?resid=adv_onapsis-2013-003

4. Affected Components Description
==================================

SAP® Enterprise Portal (SAP® EP) unifies enterprise applications, information, and services from SAP and non-SAP sources
into one system to support business processes, both within and across company boundaries. SAP Enterprise Portal is a
building block of SAP NetWeaverTM – a total integration and application platform designed to unify and align people,
information, and business processes across technologies and organizations . [1]

[1] SAP BWP Portal Infrastructure

5. Vulnerability Details
========================

As the server does not perform a proper security validation on the input parameters, it is possible to inject DHTML code
that would be rendered to the user accessing the link.

Technical details about this issue are not disclosed at this moment with the purpose of providing enough time to
affected customers to patch their systems and protect against the exploitation of the described vulnerability.

6. Solution
===========

SAP has released SAP Note 1589716 which provide patched versions of the affected components.
The patches can be downloaded from https://service.sap.com/sap/support/notes/1589716.

Onapsis strongly recommends SAP customers to download the related security fixes and apply them to the affected
components in order to reduce business risks.


7. Report Timeline
==================

2011-03-09: Onapsis provides vulnerability information to SAP.
2011-11-08: SAP releases security patches.
2013-02-21: Onapsis notifies availability of security advisory to security mailing lists.


About Onapsis Research Labs
===========================

Onapsis is continuously investing resources in the research of the security of business critical systems and 
applications.

With that objective in mind, a special unit ? the Onapsis Research Labs ? has been developed since the creation of the
company. The experts involved in this special team lead the public research trends in this matter, having discovered and
published many of the public security vulnerabilities in these platforms.

The outcome of this advanced and cutting-edge research is continuously provided to the Onapsis Consulting and
Development teams, improving the quality of our solutions and enabling our customers to be protected from the latest
risks to their critical business information.

Furthermore, the results of this research projects are usually shared with the general security and professional
community, encouraging the sharing of information and increasing the common knowledge in this field.

About Onapsis
=============

Onapsis is the leading provider of solutions for the security of ERP systems and business-critical applications. Through
different innovative products and services, Onapsis helps its global customers to effectively increase the security
level of their core business platforms, protecting their information and decreasing financial fraud risks.

Onapsis is built upon a team of world-renowned experts in the SAP security field, with several years of experience in
the assessment and protection of critical platforms in world-wide customers, such as Fortune-100 companies and
governmental entities.

Our star product, Onapsis X1, enables our customers to perform automated Security & Compliance Audits, Vulnerability
Assessments and Penetration Tests over their SAP platform, helping them enforce compliance requirements, decrease
financial fraud risks an reduce audit costs drastically.

Some of our featured services include SAP Penetration Testing, SAP Gateway & RFC security, SAP Enterprise Portal
security assessment, Security Support for SAP Implementations and Upgrades, SAP System Hardening and SAP Technical
Security Audits.

For further information about our solutions, please contact us at info () onapsis com and visit our website at 
www.onapsis.com.

Copyright (c) 2013 Onapsis Inc. All rights reserved.
This advisory may be distributed as long as its distribution is free-of-charge and proper credit is given.


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