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Onapsis Security Advisory 2010-006: SAP J2EE Web Services Navigator
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 as exclusive 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 social engineering attacks
and/or exploit vulnerabilities in their systems in order to take
control of them.

- - Risk Level: Medium


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

- - Release Date: 2010-07-13

- - Last Revised: 2010-07-13

- - Security Advisory ID: ONAPSIS-2010-006

- - Onapsis SVS ID: ONAPSIS-00002

- - Researcher: Mariano Nuñez Di Croce


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

- - Vendor: SAP

- - Affected Components:

    . SAP_JTECHS 6 (6.40)
    . SAP_JTECHS 7 (7.00)
    (Check SAP Note 1169248 for detailed information on affected releases)

- - Vulnerability Class: Cross-Site Scripting

- - Remotely Exploitable: Yes

- - Locally Exploitable: Yes

- - Authentication Required: No

- - Original Advisory:
http://www.onapsis.com/resources/get.php?resid=adv_onapsis-2010-006


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

The SAP J2EE Engine is a key component of the SAP NetWeaver
application platform, which enables the development and execution of
Java solutions in SAP landscapes.

The J2EE Engine is the component on which, for example, the SAP
Enterprise Portal solution is built and executed.


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

The J2EE Engine contains a Web Services Navigator interface, which
enables the interaction with the deployed Web Services in the server.
This interface suffers from a Cross-Site Scripting vulnerability,
which may enable malicious parties to perform different kind of
attacks over SAP users.

Onapsis is not distributing technical details about this issue to the
general public at this moment in order to provide 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 1169248, which provides a patched version of
the affected components.

This patch can be downloaded from
https://service.sap.com/sap/support/notes/1169248

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


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

    . 2009-11-24: Onapsis provides vulnerability information to SAP.
    . 2009-11-24: SAP confirms reception of vulnerability submission.
    . 2010-05-17: SAP states that the vulnerability has been
successfully patched through SAP Security Note 1169248. SAP states
that Security Note 1372831 provides additional (cosmetic) changes to
the Web Service interface.
    . 2010-07-13: Onapsis releases security advisory.


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
and business-critical systems and 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-500 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) 2010 Onapsis SRL. All rights reserved.
This advisory may be distributed as long as its distribution is
free-of-charge and proper credit is given.


- -- 
- --------------------------------------------
The Onapsis Research Labs Team

Onapsis S.R.L
Email: research@onapsis.com
Web: www.onapsis.com
PGP: http://www.onapsis.com/pgp/research.asc
- --------------------------------------------

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