Onapsis Security Advisory 2011-004: SAP WebAS ITS Mobile Test Service Multiple Vulnerabilities

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

By exploiting this vulnerability, an internal or external attacker would be able to 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
=======================

- Public Release Date: 2011-04-19

- Subscriber Notification Date: 2011-04-14

- Last Revised: 2011-04-14

- Security Advisory ID: ONAPSIS-2011-004

- Onapsis SVS ID: ONAPSIS-00036

- Researcher: Mariano Nuñez Di Croce


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

- Vendor: SAP

- Affected Components:

  . SAP BASIS 640
  . SAP BASIS 700-702
  . SAP BASIS 710-730

  (Check SAP Note 1512134 for detailed information on affected releases)

- Vulnerability Class: Cross-Site Scripting / Open Redirect

- Remotely Exploitable: Yes

- Locally Exploitable: No

- Authentication Required: No

- Detection Module available in Onapsis X1: Yes

- BizRisk Illustration Module available in Onapsis X1: Yes

- Original Advisory: http://www.onapsis.com/resources/get.php?resid=adv_onapsis-2011-004


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

The SAP Web Application Server (WebAS) is the application platform of the SAP NetWeaver, which is the basis for the other NetWeaver components. With the SAP Web Application Server you can implement both server-based and client-based Web applications.


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

It has been detected that the ITS Mobile Test service suffers from input validation vulnerabilities and design weaknesses, which can be exploited to perform XSS and arbitrary redirects attacks.

Further 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 1512134 which provide patched versions of the affected components.

The patches can be downloaded from https://service.sap.com/sap/support/notes/1512134.

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
==================

  . 2010-09-22: Onapsis provides vulnerability information to SAP.
  . 2010-09-23: SAP confirms reception of vulnerability submission.
  . 2011-01-11: SAP releases security patches.
  . 2011-04-14: Onapsis notifies availability of security advisory to Onapsis Subscribers.
  . 2011-04-19: 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) 2011 Onapsis SRL. 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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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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